This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Learn about nature by making your own mini moss garden.

This bread mold experiment will help your child learn about mold, and he'll develop important hypothesis-making and experiment-designing skills.

Make a spring collage with your child to get them outside and those creative juices flowing!

Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.

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

Here is a kindergarten activity that blends art and science by using magnets, paint, and objects found around the house to create a picture.

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

Make these homemade shell fossils and introduce your child to the wonders of science!

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

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Science fair project that uses iodine vapors to develop latent fingerprints on a non-porous object.

This science project teaches students to classify different shapes of leaves.

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Test out various brands of permanent markers to see which one is least water soluble.

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

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!

Help your kindergartener identify and sort eight different kinds of common seeds on this "seed wheel" plate you can use all growing season.

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.