Haven't signed into your Scholastic account before?
Teachers, not yet a subscriber?
Subscribers receive access to the website and print magazine.
You are being redirecting to Scholastic's authentication page...
Create Google Activity
First we’ll copy the activity to your Google Drive. After that you’ll be able to preview it, edit it, or assign it. OK?
Subscriber Only Resources
Access this article and hundreds more like it with a subscription to Science Spin 2 magazine.
Mon / Mon Year
scientist
[SYE-un-tist]
A scientist studies nature and the world.
Caren Brinkema/SuperStock
investigate
[in-VES-ti-gayt]
When you investigate something, you learn about it and how it works.
RubberBall/SuperStock
observed
[uhb-ZERVD]
Something that is observed is watched carefully.
Hero Images/Getty Images
recorded
[rih-KOR-DIHD]
Something that is recorded is written down or drawn. This helps you remember it and share it with others.
iStockPhoto/Getty Images