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Incredible Shrinking Shapes
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In this activity, learners get hands-on experience with ratios and scaling while making their own jewelry out of recycled plastic containers.

Monster Mallows
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In this activity, learners explore how ordinary marshmallows expand when heated in a microwave.

Illuminations on Rates of Reactions
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In this activity, learners investigate the speed of chemical reactions with light sticks. Learners discover that reactions can be sped up or slowed down due to temperature changes.

Heat Speeds Up Reactions
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In this activity, learners investigate the effect of heat on a reaction.

LEGO® Chemical Reactions
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This activity uses LEGO® bricks to represent atoms bonding into molecules and crystals. The lesson plan is for a 2.5 hour workshop (or four 45-minute classes).

Molecules in Motion
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In this activity, learners add food coloring to hot and cold water to see whether heating or cooling affects the speed of water molecules.

Shrinky Dinks
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Heat makes some materials expand, and it makes others shrink.

Chemistry in the Kitchen
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In this kitchen chemistry activity, learners explore the chemistry of crystals by making sugar crystals, consider a common chemical reaction type responsible for the rising of muffins and cake in the

Air, It's Really There
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This lesson focuses on molecular motion in gases. Learners compare the mass of a basketball when it is deflated and after it has been inflated.

The Amazing Water Trick
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Using two baby food jars, food coloring, and an index card, you'll 'marry' the jars to see how hot water and cold water mix.

Full of Hot Air: Hot Air Balloon Building
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In this activity, learners create a model of a hot air balloon using tissue paper and a hairdryer. Educators can use this activity to introduce learners to density and its role in why things float.

The Carbon Cycle and its Role in Climate Change: Activity 1
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In this activity (on page 1), learners role play as atoms to explore how atoms can be rearranged to make different materials.

Gas Model
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This highly visual model demonstrates the atomic theory of matter which states that a gas is made up of tiny particles of atoms that are in constant motion, smashing into each other.

Meltdown
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In this activity, learners heat ice and water of the same temperature to get a hands-on look at phase changes. This is an easy and inexpensive way to introduce states of matter and thermodynamics.

Can Crushers
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In this activity, learners conduct an experiment by heating an aluminum can filled with water to investigate air pressure.

Inverted Bottles
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In this activity, learners investigate convection by using food coloring and water of different temperatures.

Water Cycle in a Bag
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In this activity, learners create a biosphere in a baggie.

The Ups and Downs of Thermometers
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In this activity, learners examine the parts of a thermometer. After placing a thermometer in hot and cold water, learners look at molecular model animations of the liquid in a thermometer.

Air Pressure
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In this experiment, learners use a blow dryer and water bottle to observe and record changes in air pressure caused by changes in temperature.

Having a Gas with Water
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In this activity, learners construct a simple electrolysis device. With this device, learners can decompose water into its elemental components: hydrogen and oxygen gas.