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

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

This project examines whether humans can intuitively grasp numeric values greater than three.

This science fair project examines discover whether different formations of deodorant works better for certain skin types.

Learn how different types of soil affect how animal tracks form in this experiment!

Do different types of oil mix or stack? Find out in this science fair project idea!

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

This project compares the strength of one, two, and three-ply toilet paper.

Test the combustion of different types of woods.

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

Compare the ignition rates of various types of flame-retardant materials.

This project examines what types of objects burn and which burn faster and cleaner.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Free science fair project idea examining how different types of water affect plant germination and growth.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

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

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

This science fair project idea explores whether the types and brands of faucet filters are relevant to their performance.

Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.