Test - Unit 7 Energy Flashcards
1
Q
When an object absorbs energy, the change in temperature will be
A
Positive
U7 C3 pg. 19
2
Q
Transfer of energy by the movement of heated particles.
A
Convection
U7 C3 pg. 19
3
Q
Through which of the following will convection most likely occur?
A
Liquids and gasses
U7 C3 pg. 19
4
Q
When you hold an ice cube, your hand feels cold because
A
heat flows from your hand to the ice cube.
U7 C3 pg. 19
5
Q
A medicine ball has 10 J of energy and is thrown upward with a velocity of 2 m/s. What is its mass?
A
10/2= 5kg
U7 C1 Pg. 2
6
Q
Put the direction when writing velocity
A
U7 C2