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

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

How well can people recall what they have observed. Test your knowledge in this fun experiment.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

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

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

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

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

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

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

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

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.