Showing Results for test prep : Page 5

This science fair project idea determines the most effective method of preserving food.

This science fair project idea investigates the difference in reaction times between boys and girls.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

This science fair project teaches students the differences between fruits and vegetables.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Discover whether cold or hot water from the faucet will boil faster on the stove.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

This surprisingly good glue recipe comes from common kitchen items.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This science fair project idea examines the reason boats are shaped and engineered.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

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

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!