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  • Illustration of a bird's head over a landscape with a winding river and some hills. Caption: you'll arrive back where you started, having circled it all."

    Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, intrigued by the name given to the mountains, "the hills of the round earth," Moko sets off to find out if the earth is really round. An old man tells him if he keeps walking straight, he could travel round the earth and get back to his starting point. Moko follows his advice but since he never got the feeling he was walking around a sphere, he still thinks the earth is flat.

    (Source: DCMP)

  • Illustration of a person on a hilltop facing a series of bigger mountains. Caption: (narrator) This phenomenon is called an echo.

    Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, Moko and Mei-Lei are resting as the day is fading. Suddenly, they hear a strange sound coming from behind the mountain that resonates throughout the village. The two friends go off to find the source of this strange sound and what they see surprises them. Two men are blowing into what look like long horns while others walk along with them and sing. They head back towards their village, confident that they have solved the mystery of the echo.

    (Source: DCMP)

  • Cartoon character one-handed lifting a bar with weights on it. Caption: Less pull means I can lift this weight with one hand.

    The Magic School Bus is an award winning animated children’s television series based on the book series of the same title by Joanna Cole and Bruce Degen. It is notable for its use of celebrity talent and being both highly entertaining and educational. Phoebe is to participate in a slam-dunk during contest at half time of the big basketball game. The problem is Phoebe can't jump high enough. "If only gravity didn't pull on me." she moans. Never one to be tied down, Ms. Frizzle sends the class into space and turns the Bus into a planet — with adjustable gravity. The class finds basketball's a snap with low gravity and a riot with no gravity at all, but when there's way too much gravity, things get really heavy.

    (Source: DCMP)

  • Magic school bus travelling through a tube with points of light. Caption: The inside of the wire is filled with electric charges,

    The Magic School Bus is an award winning animated children’s television series based on the book series of the same title by Joanna Cole and Bruce Degen. It is notable for its use of celebrity talent and being both highly entertaining and educational. It's Valentine's Day, and the class is selling light bulbs. When they stop at Ms. Frizzle's house to sell her one, they find that her battery-operated doorbell doesn't work. While looking for Ms. Frizzle to tell her the doorbell's broken, Wanda overhears her teacher talking on the telephone. "Ms. Frizzle has a boyfriend," says Wanda, "and he's on his way over to see her. We've got to fix the doorbell or she'll never know he's here." But first they have to figure out how the doorbell works.

    (Source: DCMP)

  • Illustration of an island breaking the water line with a larger volume of the island under water. Caption: These are called volcanic islands.

    Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, the storm has passed and Moko's raft is approaching a new shore. He has never seen this white sand beach and wonders where he might be. Moko wanders off to find inhabitants of this new place. Along his route he passes plants with enormous leaves and at the other end of his path, the beach once again! How is this possible? What is the secret of this strange islandy? Night falls and Moko falls asleep convinced that he is the first traveler to discover the ocean's secret island.

    (Source: DCMP)

  • Illustration of the Sun and planets closest to it, including Earth, shedding bits of bright light. Caption: Solar wind is very hot and blows across all the planets

    Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, one night, Moko misses his country filled with sun and heat. Alarick, wanting to comfort him and make him feel welcome, offers to show him a great show in the sky. Moko, who thought he had seen all of the wonders the sky had to offer in his country, sees his first northern lights. Amazed, he thinks that in this country the sky can soothe a saddened heart and that Alarick, child of the cold, has proven to be a warm and welcoming friend.

    (Source: DCMP)

  • Rocket launching. Caption: There will be private citizens paying for their own trips

    With the retirement of NASAs space shuttle fleet in 2011, the role of getting people, satellites and other instruments into space falls to private companies. As of June 2011, there have been only 523 people to reach the 100 kilometer mark (considered human spaceflight), and only 24 have traveled beyond low Earth orbit. It is projected that within ten years, the number of people who will have flown into space will increase by about 600 percent due to the increasing market of suborbital spaceflight and the possibility of private citizens utilizing space flight. Students will explore suborbital and orbital spaceflight and the requirements necessary for vehicles to achieve these journeys. They also go behind the scenes of many of the private companies involved in taking on the tasks to travel to low Earth orbit and beyond and uncover some of the technology used to accomplish these goals.

    (Source: DCMP)

  • Illustration of heavy rain and a dark sky with a large funnel shaped cloud over water. Caption: (narrator) Cyclones, hurricanes, and typhoons are harsh

    Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode. Moko and Totemie take a boat and travel across the lake to where the landscape is very different. Suddenly, they see a strange column twirling in the horizon. The wind is getting stronger and stronger all around them. Moko and Totemie find a tree and hang on to it as tightly as they can. The cyclone goes over their heads and they can see in the center of the column of wind. Moko thinks that if you respect the power of nature, then nature lets you see some of its secrets.

    (Source: DCMP)

  • Illustration of water running up against a rocky cliff. Caption: (narrator) As you've probably noticed, ocean water is salty.

    Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, Moko sees the sea for the first time. He thinks it is a huge river or a large lake. But when he tastes the water, it's salty. He wonders what sorcerer could have played such a dirty trick. He returns to his village and asks a wise old man to cast a spell to prevent the river used by the people from ever becoming salty. The old man assures him that it won't be necessary, that the river will never be salty. So Moko thinks that a well-meaning sorcerer must already be protecting the river--thankfully.

    (Source: DCMP)

  • Illustration of sand with an arrow moving from the sky across the image. Caption: This is called quicksand.

    Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, Moko and Mei-Lei head off to the forest to pick some plants that can't be found anywhere else. Moko is following Mei-Lei's lead as she knows what to do. She picks a leaf and lets it float away, and Moko picks it up. All of a sudden, both his feet sink into the quicksand and he can't get free. Some fishermen come to his rescue and they pull him to safety. Moko and Mei-Lei head back towards the village thinking that the forest is jealous and possessive, since it clearly wanted to keep every leaf and every plant for itself.

    (Source: DCMP)

  • Screenshot: Phet Simulation - Forces and Motion: Basics.  Cart on wheels full of items with two ropes connecting to either side.  Below is two teams of people to pull on the ropes a red and blue team made up of different size people.

    An early exploration (2015) into how to make a sim accessible has taken place for Forces and Motion Basics. It has working keyboard navigation and auditory descriptions for the 'Net Force' screen when the screen reader is in 'Forms' mode. We are working on updating the content so that it can be read by the screen reader in any mode. Notes for the main interaction: Press 'Enter' or 'Spacebar' to enter a group of pullers. Once in the group, use 'Arrow' keys to choose which puller you wish to select. Press 'Enter' or 'Spacebar' to select puller and move to knot selection. Use 'Arrow' keys to choose between different knots. Press 'Escape' to leave a group of pullers or knots, 'Tab' to leave group and go to next element. This prototype has been tested with NVDA and Firefox.

    (Source: PhET Interactive Simulations)

  • Image of a layer of ice above liquid water. Caption: This is called sea ice.

    Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, on that morning, Moko decides it is time to leave this place and continue on his quest for the end of the world. Alarick offers him his boat and Moko takes off. Nightfalls and daylight seems to never return. As he advances on the waves of the dark ocean, his boat gets stuck in the sea ice. Moko thinks that this country is refusing to let him leave. He pleads for daylight to return and for the ice to melt by playing the flute Alarick gave him. The ice melts, his boat is freed and he carries on his voyage as the sun rises ahead of him. Moko discovers a new land in the horizon.

    (Source: DCMP)

  • Illustration of trees growing on a mountain. Caption: Some of these forests grow on mountains.

    Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, Moko and Mei-Lei are resting in the shade of a tall tree. Mei-Lei is wondering whether Moko will be leaving her and saddened by this thought she walks away. Moko sets off to try to find her in the tropical forest. Droplets of water stream down from the trees like rain. Night falls and Moko can no longer see anything. He decides to wait until morning to go on. The next morning, Mei-Lei has returned and she is smiling because she sees that she must mean a lot to Moko since he came all this way to find her. He thinks that the trees have stopped crying now that Mei-Lei is no longer sad.

    (Source: DCMP)

  • Illustration of a large amount of snow sliding down a hillside. Caption: It's not a very rapid avalanche, but it's very solid.

    Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, Moko and Alarick are heading back towards the village, their boat filled with fish. They moor their boat and start walking in the direction of the village. As they round the mountain they finally see the rooftops of the approaching village. Moko yells out in joy. Suddenly, a cloud of snow appears to be tumbling down the mountain like a galloping horse. Alarick and Moko take shelter under a large boulder. As the avalanche hits with all of its fury, Alarick pleads with the mountain to forgive Moko for his outburst, and it is once again calm. Moko promises to be quiet from now on and thanks his friend for reasoning with the mountain.

    (Source: DCMP)

  • Illustration of a barren landscape with rain falling. Caption (narrator) In tropical climates, there are only two seasons:

    Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, Moko wonders why all the clouds come and cry over his village at the same time. What makes them so sad? He questions the wise old man of the village, who suggests that he wait till the end of the rainy season for the answer. Once the rains are over, Moko goes back to see the old man. The old man tells him that the answer lies in the fields and the crops. Moko sees that the rain has allowed so many things to grow, and that the village has all the food it needs. So he realizes that the clouds are not sad when it rains, but rather that they give all their water to fertilize the soil.

    (Source: DCMP)

  • Illustration of water with an arrow indicating a current moving through the water parallel to the surface. Caption: There are two types of marine currents.

    Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, on this morning, Moko is rowing relentlessly to bring back the barge as Mei-Lei sleeps. Suddenly the current shirts, he can't seem to make the oar move at all. He wakes Mei-Lei so she can help him row, but it is no use, the barge starts moving in the opposite direction. In the distance they notice a fisherman and try to call out to him, but he is too far and cannot hear them. Beyond a huge boulder they see a forest and start rowing furiously in its direction. Finally ashore, Moko and Mei-Lei think that the sea still had another secret in store for them, this new part of Mei-Lei's island.

    (Source: DCMP)

  • Illustration of a map of the world. Caption: Cenotes are found in North America and Central America,

    Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, one morning, Totemie takes Moko to pick wild mushrooms used for medicine by her people. There is a particularly rare one she is hoping to find. Moko suddenly slips in a crevice. Totemie runs to her village to get an old man who tells her that she should join Moko. When she does, Moko and Totemie discover an enormous cave filled with lakes in a rainbow of colors. They follow a stream that eventually becomes a river and on the river's bank they find the old man who is waiting for them. Before they leave to go back to the village, the old man asks them to keep this magical cave a secret and to keep the memory of it safe in their mind.

    (Source: DCMP)

  • Illustration of the Sun, moon, and Earth. Caption: and the moon circles around the earth.

    Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, in the middle of the day, the sun gradually vanishes. Moko is frightened and wonders what wizard could do such a thing. With the village wise man, they set out to find the sorcerer who made the sun disappear. They question all the sorcerers they know but fail to find the one responsible for such an act. So they decide to join all the people of their village and the neighboring villages and watch the sky. An old woman watches them, smiling. She explains that when she was a child the same thing happened, but that the world would become normal again. And indeed the sun returned at the end of the solar eclipse. Moko told himself that perhaps the sun was simply tired and for once decided to go off and take a nap.

    (Source: DCMP)

  • Illustration of water with a circular shape outlined beneath the surface. Caption: (narrator) Blue holes are deep, underwater wells.

    Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, Moko wants to head off and tells Totemie that he must find the end of the world. But a fisherman tells them that no one will find what it is that they seek unless they have passed by the blue holes, or underwater cave. Moko doesn't understand but follows the path of a mysterious and immense blue hole in the middle of the ocean. This is when strange things begin happening. The sea is swirling and the sky changes color. Strange lights appear in front of their raft, then disappear. They get the impression that they are flying high above the ocean, then mysteriously they find themselves back on the beach. Moko remembers his first trip and thinks that this must be the heart of the ocean beating for his old friend.

    (Source: DCMP)

  • Illustration of low, round huts with a person walking through them. Caption: Arriving home, Moko saw that the moon was there in the sky.

    Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, Moko wonders why the moon changes shape so often. Sometimes, when he sees the moon rising in the distance like the sun, he thinks that by walking towards the horizon he could get closer and find out more. That way he could even ask the moon itself. During his long walk towards the ever-receding horizon, Moko watches the moon constantly changing shape. Sometimes it's a crescent like a smile, sometimes a disc of light; sometimes it's white, sometimes yellowish. It travels across the sky but you can't see it moving. One night, Moko decides to watch the moon perform its lovely dance among the stars. He figures he'll never reach the horizon, and in fact maybe the moon just wants to put on a show, to be watched more often.

    (Source: DCMP)

Collections

2

Showing collections 1 to 2 of 2

  • PhET Simulations

    • Simulation

    A collection of simulations from PhET.

    A collection containing 15 resources, curated by Charles LaPierre

  • Chemistry

    • Video
    • Image
    • 2.5D Tactile Graphic
    • PDF
    • Text Document
    • Simulation

    A collection of Chemistry related resources

    A collection containing 67 resources, curated by Benetech