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Showing results 881 to 900 of 1005

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In this activity, learners calculate the percentage of oxygen in the atmosphere by using steel wool's ability to rust.

1 cent - $1 per student Ages 11 - 18 1 to 7 days
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In this activity, learners will engineer a new shape and use it to create a new pattern with no wasted space.

1 cent - $1 per student Ages 4 - 14 10 to 30 minutes
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This lesson (on pages 46-55 of PDF) features two strategy board games -- one from Ghana and one from China. The first game, Achi, is a cross between checkers and tic-tac-toe.

1 cent - $1 per student Ages 8 - 14 45 to 60 minutes
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In this activity about scale, learners investigate the world of the very small by cutting a 28 centimeter strip of paper in half as many times as they can.

1 cent - $1 per student Ages 11 - 18 Under 5 minutes
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In this indoor and/or outdoor activity, learners make an anemometer (an instrument to measure wind speed) out of a protractor, a ping pong ball and a length of thread or fishing line.

1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners engineer a flying glider using paper hoops and a drinking straw.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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This is a quick activity that shows how large amounts of rock and sediment are added to the edge of continents during subduction.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
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In this activity, learners cut a shape into two equal sized pieces and use their knowledge of geometry and space to prove that the two parts are equal.

1 cent - $1 per student Ages 4 - 8 10 to 30 minutes
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In the kitchen, learners can perform their own density investigation.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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In this activity, learners will make predictions and experiment with different objects to see if they sink or float.

1 cent - $1 per group Ages 4 - 6 10 to 30 minutes
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In this activity about camouflage, learners create a model that shows how a flounder is able to blend into a variety of environments.

1 cent - $1 per student Ages 6 - 11 30 to 45 minutes
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In this math activity, learners create symmetrical designs for paper models of special blouses known as huipiles.

1 cent - $1 per student Ages 4 - 8 5 to 10 minutes
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This fun and simple activity is a rubberband rocket design challenge! Learners will explore how tail fins can help to stabilize a flying object, while also exploring potential and kinetic energy.

1 cent - $1 per student Ages 14 - 18 10 to 30 minutes
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Learners practice their taxonomy skills by sorting a group of fasteners (e.g. rubber bands, buttons, paper clips, screws) into different categories.

1 cent - $1 per group Ages 8 - 11 30 to 45 minutes
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In this activity, learners use a soda can to decode a secret message. Learners wrap scytale (pronounced ski-tally) code around a can and challenge friends to see if they can crack the codes.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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In this activity, learners will create a soil profile in a bottle. They will learn about the organic and inorganic matter found in soil and observe as it separates into layers in the bottle.

1 cent - $1 per student Ages 6 - 11 1 to 7 days
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In this artistic activity, learners blow up a smaller picture into a larger one, by using a grid.

1 cent - $1 per group Ages 6 - 11 30 to 45 minutes
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In this activity, learners make a foam packing peanut "flink"--neither float away nor sink--in water. Learners experiment with materials to make a Flinker that "flinks" for 10 seconds.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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In this activity, learners will explore probability using dice. They will predict and then roll the dice to observe how many rolls it would take to repeat a matching pair. Learn track predictions vs.

1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
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In this math activity, learners play a game that helps reinforce learners' understanding of the coordinate system.

1 cent - $1 per group Ages 8 - 11 10 to 30 minutes