What you do:

Observe how hot and cold fluids move past on another with this fun and colorful activity!

What you need:

Presentation

Worksheet

Blue ice cubes (freeze water and blue food coloring, using big whiskey-sized ice cubes works best)

Red food coloring

Water pitcher

Hot water source

Glass dish for mixing (1 per group)

Example video

What You Need:

• Plain sugar cookies (base of the sun)
• Plate to work on
• Plastic knives
• Frosting (surface)
• Short pieces of twizzler strips (prominences)
• Yellow and red sprinkles (granular appearance of surface
• Mini chocolate chips (sun spots)

 
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What You Need:

• Glass bows with lids
• Marbles of different sizes
• Yellow construction paper
• Scissors
• Tape

Adapted from http://www.exploratorium.edu/ronh/solar_system/

What You Need:

• a yoga ball (the sun)
• other sized balls to represent planets
• planet size/distance calculations

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What You Need:

• a wide plastic basin
• sand
• a smaller cup for collecting the clean water
• a large piece of transparent plastic, plastic wrap can work
• duct tape to hold plastic in place
• a stone
• salt (optional)

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