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Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Create a colorful, informative display that illustrates the properties of blood cells. Prepare slides using samples of fresh raw beef or chicken bone marrow.

The objective of this science project is to investigate why NASA has been using aerogel for the Stardust Project for collecting gas and dust from comets.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

In this science fair project, students investigate the applicability of Benford's Law to many sets of everyday data.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

Determine how we can separate the components of a solution

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

This experiment will examine and precisely measure the amount of sugar in various sodas.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.