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In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Reaction Time: The Ruler Drop Test

This science fair project idea investigates the difference in reaction times between boys and girls.

Reaction Time

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Make a Sand Clock

Now it's time to really polish those home row touch typing skills!

Home Row Typing: Words with Gem Miner (Part Two)

It's time to put your touch typing skills to the test with real words.

Top Row Typing: Words with Gem Miner (Part One)

It&rsquo;s time to practice typing capital letters using correct finger placement.

Where Do My Fingers Go? Capital Letters S-D-F-J-K-L 

Time to branch out with letters R, U, F, J, E, I, D, and K! 

Top Row Typing: R-U-F-J-E-I-D-K with Squirrel

Time to take on the second of our two-part home and top row words games.

Mixed Row Typing: Home and Top Row with CuzCuz (Part Two)

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

Rate of Evaporation

Next time you head outside for a hike or a camping trip, bring along this checklist of animal tracks!

Animal Tracks Guide

You have practiced typing home row keys in various combinations — and now it's time to practice nine together! 

Home Row Typing: F-J-D-K-S-L-A-G-H with Gem Miner

You've mastered the F and J keys and the D and K keys — now it's time to practice them all together!

Home Row Typing: F-J-D-K with Squirrel

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

Perplexing Pendulum

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Forensic Entomology and the Life Cycle of the Blowfly

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

How do Sedimentary Layers Form?

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Make a Sundial

Time to practice seven home row keys at once: F, J, D, K, S, L, and A. 

Home Row Typing: F-J-D-K-S-L-A with Gem Miner

You've practiced the top row keys in various combinations — now it's time to try eight together: R, U, E, I, W, O, Q.

Top Row Typing: R-U-E-I-W-O-Q-P with Gem Miner

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Get Cracking

It&rsquo;s time to for your students to move onto learning more complex typing skills! This lesson teaches your students how to type capital letters, periods, question marks, and exclamation marks using correct finger placement.

Typing: Capital Letters and Punctuation

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Viking Funeral

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

Eye Witness, You Witness

This science fair project idea examines which type of insulation holds in the most heat.

Best Insulators

Type all of the 6 letters -- r, u, e, i, w and o -- that you've learned so far in the top row of the keyboard together. 

Typing Top Row Keys  r, u, e, i, w, and o

Start combining the first keys you learned in the top row with those you learned practicing typing in the homerow. 

Typing Top Row Keys  r, u, f, j, e, i, d, and k

In this project students experiment with making music using only glasses of water.

Musical Glasses

Examine the effect of pressure on carbonation in soda.

Building Up the Fizz in Soda

Practice touch typing top row keys in uppercase. 

Top Row Typing: Uppercase Letters with Gem Miner

This installment of our Typing Words Series has students touch typing six-letter words.

Typing Words: Six-Letter Words

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Goldfish Behavior

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