This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Challenge your learner to design and build a city of their own in this creative engineering activity.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

The project determines determine if a sports drink affects the heart rate of a student athlete during exercise.

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

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

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.

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?

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

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.