Preschool - 7th Grade Science Activities : Page 4

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this activity your child will create their very own marble maze!

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

This science fair project idea explores whether talking to a plant will help it grow.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Check out this cool science fair project on identifying rocks and minerals for kids.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

In this design challenge, your child will create a parachute for a small toy using typical household items.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Teach your child about healthy foods and how to make a meal that is good for them with this fun activity that you both can do together.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

This science fair project idea determines what household items are good conductors of electricity.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.