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Author Question: Heat is absorbed by a substance when that substance ________. A) freezes B) evaporates C) ... (Read 171 times)

Marty

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on: Aug 27, 2018
Heat is absorbed by a substance when that substance ________.
 
  A) freezes
  B) evaporates
  C) condenses
  D) cools
  E) A and C

Question 2

Why do ice skates work?
 
  A) The pressure of the blades on the ice creates a temporary water layer.
  B) The pressure of the blades cuts a hole in the ice and water flows in.
  C) The blades are treated with a chemical that melts the ice temporarily, which creates a water layer.
  D) Ice is naturally slippery.


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FergA

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Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

A


Marty

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Reply 2 on: Aug 27, 2018
Excellent

at

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Reply 3 on: Yesterday
:D TYSM

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