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Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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 condensation and the conditions needed in order for dew to form.

Slip some science into storm watching with a homemade rain gauge!

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

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

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Help your child celebrate the summer and the sun by making a sandy seascape.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Here's a pressed leaf card project that puts science and writing together for your second grader.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

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

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

This biodiversity project examines the biodiversity in your own backyard.