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

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

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

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

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

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science fair project idea explores whether talking to a plant will help it grow.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea examines which type of insulation holds in the most heat.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

This science fair project idea determines the most effective method of preserving food.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea explores the different properties & interactions of sugar molecules.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science fair project idea compares biodiversity between drops of water.

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.

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

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.