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.

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

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.

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!

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

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

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.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

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

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

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

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

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

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

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

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

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

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.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

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.

Help your child learn about animal classification with this fun and delicious activity.

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

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

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

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

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.

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

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

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.