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.

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!

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

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

Science fair project that determines whether moths are attracted to one color of light more than others.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

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.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This science fair project idea quantifies the effect of specific food sources on red worm (Eisenia foetida) livelihood.

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

This science fair experiment examines the relationship between gender, age, and smiling.