5th - 7th Grade Science Activities : Page 3

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

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

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

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

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Find out which type of sponge holds the most water.

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

This science fair project idea identifies trees using a dichotomous key.

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

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

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

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

In this experiment you will replicate the mummification process by making a hot dog mummy.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science fair project idea explores the different properties of matter.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

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

The purpose of this science fair project is to build a basic radio.