Mini-Quiz: Definition of Matter

1. Is air matter?

   No, because it is a gasSorry, not correct. Try another button. People aren't sure, because you can't see itGood try, but not right. Select another answer. Yes, because it takes up space and has mass or weightThat is correct. You know about matter.

2. What property of matter causes the Earth's gravity?

   The dimension of the Earth causes its gravitySorry, not correct. Try another button. The mass of the Earth causes its force of gravityCorrect. Good work! The Earth is partially made up of matterOops! Wrong answer. Re-read the question and try again.

3. Why is the word "antimatter" somewhat misleading?

   Antimatter is actually matter with an opposite charge or spinThat is correct. You know about matter. Because it really does not existGood try, but not right. Select another answer. It really should be called dark matterOops! Wrong answer. Re-read the question and try again.

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