Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

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

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Here's a science activity to help your child investigate how seeds are designed to travel.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This science fair project idea determines which method of hand cleansing is the most effective.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

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

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

This science fair project teaches students about wilting and browning of salad greens.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.