Showing Results for multiply by 2 5

This project compares the strength of one, two, and three-ply toilet paper.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

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

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

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

This science fair project investigates why the number of visible stars changes from place to place.

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

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

This science fair project idea determines if the color of light affects the growth of plants.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

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

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

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science fair project idea investigates how color affects temperature.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Examine the effect of pressure on carbonation in soda.

This science fair project idea explores whether talking to a plant will help it grow.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

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.

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

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

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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