Chemistry Review
Flashcard
•
Science
•
7th Grade
•
Hard
+2
Standards-aligned
Wayground Content
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19 questions
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1.
FLASHCARD QUESTION
Front
Which of the following is a chemical change? Options: Iron rusting , Glass breaking, Clothing ripping, Hair cut
Back
Iron rusting
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
2.
FLASHCARD QUESTION
Front
Is this equation balanced?
Back
No
Tags
NGSS.MS-PS1-5
3.
FLASHCARD QUESTION
Front
What is the law of conservation of matter?
Back
The mass of the reactants is the same as the mass of the products.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
FLASHCARD QUESTION
Front
Which of the following is evidence of a chemical change? Options: Change in state, No new substance is formed, Bubbles forming, Change in shape
Back
Bubbles forming
Tags
NGSS.MS-PS1-2
5.
FLASHCARD QUESTION
Front
Which of the following is an example of a physical change, and why? Options: Fire burns in fireplace, because a new substance is formed.; Clothes are folded, because there is a color change.; A mirror is broken, because there is a change in shape/size.; Cookies are baked, because there is a change in temperature.
Back
A mirror is broken, because there is a change in shape/size.
6.
FLASHCARD QUESTION
Front
This number is used to represent the number of each atom being represented. What is the name of this number?
Back
The Subscript
Tags
NGSS.MS-PS1-1
7.
FLASHCARD QUESTION
Front
This appears on the left side of a chemical formula, and represents how many compounds there are. What is the name of this number?
Back
The Coefficient
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