Hard
Find out which element has the biggest impact on your computer's speed: the CPU, the cache, or the system folder's extensions.
Medium
Does the type of tire you use affect how fast you can go? Find out by testing different tires on a go-kart!
Medium
Does your car paint last longer with a protective layer? Find out with this experiment!
Medium
Are sponge filters more effective than under-gravel filters? Find out in this science project!
Medium
Do you want to know which water repellent works best? Find out by comparing Rain-X and Aquapel in this science project!
Medium
Does air pressure in a football helmet really affect cushioning? Let's find out!
Medium
Does the firmness of a car's suspension system affect its speed around bends? Find out in this fun experiment!
Medium
Can you make a pipe cleaner foil bug walk on water? Find out with this engineering challenge by building your own water strider and exploring the science of surface tension.
Medium
Learn how static electricity can be dangerous at gas stations by testing different materials and seeing which one produces the most static charge.
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