Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

see whether all liquids evaporate at the same rate. In other words, does water evaporate at the same rate as juice?

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

A fun activity for a hot day, this will give young kids a chance to experiment with beginning science and math â and splash around in the process!

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

Help your preschooler grasp the concept of ordering and sequence while teaching him valuable vocabulary with simple activities around the house.

Get your child excited about measuring with this fun and easy household measurements activity.

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

This cookie dough handles like molding clay, but also makes delicious cookies. Use this activity to strengthen your child's alphabet skills.

Explore the wattage of microwaves in relevance to cooking time.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Invite your kindergartener to explore the bright new world of measurement by starting out with nonstandard (and tasty!) units, such as gummy bears or worms.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Challenge your preschooler to a game of shape match-up--an entertaining way to boost her observational ability.

This very physical game gets math off the page and into the real world-- and it works on number sense and estimation, key skills for kindergarten readiness.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Can cells be frozen? This science fair project provides information to answer this question.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.