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せいとへの指示
1. Click the 
button.
2. Click the 
on the first slide to go to our collection of books and videos about Properties of Matter!
3. Read or watch at least 5 of them, then go back to our SeeSaw activity and go to slide 2.
4. 
yourself and say one thing you learned about time.
5. Click the 
when you're done.
