In this science fair project, students use the streak test to tell minerals apart from each other.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

In this design challenge, your child will make a bottle rocket using typical household items.

This science fair project examines discover whether different formations of deodorant works better for certain skin types.

Research basic components of vacuum cleaners, consult vacuum cleaner manufacturers for advice. Design vacuum with attachments that change automatically.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

Discover whether cold or hot water from the faucet will boil faster on the stove.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Determine the effect of reading aloud on memory skills. Prepare a list of randomly chosen words, ask volunteers to recall as many as possible from the list.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This science fair project idea examines the reason boats are shaped and engineered.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

In this "paper and pen" science fair experiment, students will research the difference between standard time and astronomical mean time.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

How much gas is released into your stomach by your favorite beverages? This project examines which beverages produce the most gas.

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

Engineers in training can get started with this simple wheel-and-axle construction activity.