Showing Results for how when : Page 3

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

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

The objective of this science project is to determine the length of time for different seeds to germinate.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Using a toy race car kids create a visual model of the Doppler Effect.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Use pepper and soap to discover some fun facts about the properties of water.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This science fair project teaches students about wilting and browning of salad greens.

In this project children practice the scientific method while playing with puffy paint.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!