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Find out whether putting something on top of a plant will inhibit its growth.

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

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

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Being a kid is hard work. Soothe stresses and calm fears with this DIY Zen garden -- all you need is sand, stones and a shoebox.

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Your child will have a unique vacation memento with this glass bottle art project sure to capture great memories!

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

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

An home science experiment for older students that teaches about the science behind heat.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

In this activity, learners will discover how to make a basic water filtration system using common materials found around the house or outside.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Young chefs can easily make this simple soup, perfect for a brisk fall day. Along with being very flavorful, it makes a perfect pre-dinner appetizer or lunch!

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

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

Your child will be delighted to create a sweet painting in the style of pop artist Wayne Thiebaud!

Here's a sweet holiday recipe to make with your fifth grader: bake scrumptious sugar-dusted chocolate snowballs! Serve them at your next Christmas party.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.