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

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Learn whether writing things down really makes things easier to remember.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This science fair project idea investigates whether plants can survive being frozen.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

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

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

The objective of this science fair project is to investigate salt water density.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Discover how and which salt melts ice the quickest.