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Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Take a dive into the candy jar with this yummy science experiment.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

Students identify variables that affect the duration of high school romances and analyze data to predict the success or failure of ongoing relationships.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

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

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Get a cool science project idea on a photovoltaic cell and explore the various factors that affect the energy output of the photovoltaic cell.

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

Science fair project that examines the biodiversity of ant populations in various locations.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

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

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.

This science fair project idea discovers the principle of conservation of mass.

This science fair project idea tests the efficiency of short term memory.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.