Earth & Space Science Projects

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

Science fair project that illustrates the properties of black holes in space.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

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

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

In this science project, learn about soil porosity and measure the percent porosity of sand, silt, and clay.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

This science fair project idea researches the effects of acid rain on plant growth.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

This science fair project challenges students to research vortices occurring in nature and then create their own vortex.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

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

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

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

The objective of this science fair project is to examine the effects of acid rain on the growth of marigold plants.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?