3rd - 8th Grade Science Activities : Page 3

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

In this project, you will observe and record changes in sunspots over two weeks.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

This project examines whether people's taste perception is influenced by what they see.

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

This science fair project idea investigates how magnetism can defy the force of gravity.

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!

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.

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.

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.

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.