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3rd grade
Science
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Why Does Hair Turn Gray?
Why Does Hair Turn Gray?
Worksheet
Why Does Hair Turn Gray?
Grandma and grandpa didn't always have gray hair. Find out about what gives our hair color and what makes our hair lose that color as we get older.
3rd grade
Science
Worksheet
Why Do We Yawn?
Why Do We Yawn?
Worksheet
Why Do We Yawn?
Find out how scientists explain our yawns and use the graph to keep track of your family's yawns for a whole day!
3rd grade
Science
Worksheet
Why are Manhole Covers Round?
Why are Manhole Covers Round?
Worksheet
Why are Manhole Covers Round?
Have you ever wondered why manhole covers are round? It's a good thing to know -- big companies sometimes ask that question in interviews.
3rd grade
Science
Worksheet
Peninsulas
Peninsulas
Worksheet
Peninsulas
Help your budding geologist learn about these common landforms in this worksheet on peninsulas and capes.
3rd grade
Science
Worksheet