In this science fair project, students use the streak test to tell minerals apart from each other.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Test whether plants can grow without sunlight and water.

Test your friends to find out if you can replicate the placebo effect's incredible results.

This science experiment has students test whether a snail moves faster on concrete or dirt.

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

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

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.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

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.

Learn all about balance and motion as your child designs a corn maze!

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

The concept of metamorphosis is fascinating to children of all ages. Help your child's creativity take flight as she makes her very own butterfly life cycle.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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

This science fair project examines how seeds hitchhike on animals and clothing.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

This project determines what category of person is most likely to be ticklish.

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

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!