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.

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.

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

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 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.

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!

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

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

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

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

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

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.

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

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

This science fair project idea investigates how color affects temperature.

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

This science fair project will help students learn about non-vascular plants, such as mosses.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

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.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.