In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

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.

In this design challenge, your child will make a bottle rocket using typical household items.

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

Do you think heat can affect a plant's growth rate?

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Start your toy engines -- this is going to be a fast and friction-filled race!

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

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

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project idea investigates if fats add to the flavor of food.

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

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

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.

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

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Cleaning can be a chore, but not with this sudsy experiment!

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.