What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Do you think heat can affect a plant's growth rate?

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.