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.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Engineers in training can get started with this simple wheel-and-axle construction activity.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Use pepper and soap to discover some fun facts about the properties of water.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

How powerful is the reaction between baking soda and vinegar? Find out here!

Challenge your learner to design and build a city of their own in this creative engineering activity.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

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

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

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

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

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.