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Explore the belief in astrology as a predictive system.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

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

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

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

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This fun and crafty activity is easy enough for your child to lend a helping hand and makes a great indoor or outdoor game.

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

Help your child make an attractive frozen holiday ornament to hang outside during winter months.

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

Create homemade seed packets with your kids. This activity combines your kids' love of science and the outdoors with a little writing and drawing fun.

Have your little astronaut create her own crater-filled moon with this fun craft project that encourages learning about the final frontier.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

Science fair project that examines the physical features of elephants and butterflies and draws conclusions about their similarities.