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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.

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

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?

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

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

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.