Homework Help: 7th grade Science help

Posted by Delilah on Wednesday, September 26, 2012 at 7:51pm.

1.
_______ is energy that flows from an object with a higher temperature to an object with a lower temperature. (1 point)

Heat
Radiation
Potential
Chemical

2.
The transfer of energy that occurs when molecules bump into one another is called _____. (1 point)

radiation
conduction
convection
condensation

3.
When Earth receives energy from the sun, _____. (1 point)

some is reflected back into space
some is absorbed by the atmosphere
some is absorbed by land and water on Earth's surface
all of the above

Thanks!!!
-Delilah :)

7th grade Science help - Scott, Wednesday, September 26, 2012 at 8:34pm
1. a

2. b

3. d
7th grade Science help - Delilah, Thursday, September 27, 2012 at 8:32pm
Thanks soooo much!!!
7th grade Science help - ciara, Wednesday, November 14, 2012 at 9:35am
number 1 is heat

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