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Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

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

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

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

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

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

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

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.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Investigate the kinds of memories we tend to store and the emotions we store with them. Determine if memories have a strong emotional component.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

This science fair project idea investigates whether plants can survive being frozen.

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