Florida Science Grade 6

Chapter 18: Energy

Energy

1.
__________ is the energy stored in an object due to its position.
A)Entropy
B)Kinetic energy
C)Thermal energy
D)Potential energy
2.
A chemical reaction that absorbs energy is __________.
A)explosive
B)an exothermic reaction
C)rare
D)an endothermic reaction
3.
__________ is a form of energy an object has if it is moving.
A)Thermal energy
B)Entropy
C)Potential energy
D)Kinetic energy
4.
If the particles in an object begin to move more quickly, their average kinetic energy __________ and the object's temperature __________ .
A)increases, falls
B)increases, rises
C)decreases, falls
D)decreases, rises
5.
The transfer of energy through matter by the collision of atoms in a material is called __________.
A)convection
B)confluence
C)conduction
D)radiation
6.
A change in which one or more substances are converted into new substances is a __________.
A)chemical fusion
B)physical change
C)nuclear reaction
D)chemical reaction
7.
As energy transformations occur within a system, the total energy of the system __________.
A)is transferred out of the system
B)increases
C)decreases
D)remains constant
8.
__________ is the ability to cause change.
A)Work
B)Energy
C)Power
D)Momentum
9.
Which of the following is NOT a form of energy?
A)electrical
B)chemical
C)thermal
D)friction
10.
During energy transformations, energy is never __________.
A)released as heat
B)created or destroyed
C)completely transformed
D)used to increase an object's potential energy
11.
Why is water often used as a coolant?
A)It has a low boiling point.
B)A large amount of water cools quickly.
C)It absorbs a large amount of heat before its temperature rises by one degree.
D)It has a low specific heat.
12.
__________ is a measure of the average kinetic energy of all the particles in an object.
A)Conduction
B)Density
C)Radiation
D)Temperature
13.
Which of the following objects has kinetic energy?
A)leaves lying on the ground beneath a tree
B)a sunny windowsill
C)a bicycle parked at the top of a hill
D)a ball rolling across the floor
14.
A(n) __________ is a substance that changes the rate of a chemical reaction without any change to its own structure.
A)catalyst
B)reactant
C)inhibitor
D)initiator
15.
A chemical reaction that releases energy is __________.
A)catalyzed
B)harmless
C)an exothermic reaction
D)an endothermic reaction
16.
Which of the following equivalent masses has the greatest kinetic energy?
A)cold water
B)ice cubes
C)steam
D)warm water
17.
Energy stored in chemical bonds is __________.
A)energy of activation
B)chemical kinetic energy
C)thermal potential energy
D)chemical potential energy
18.
__________ is the thermal energy that flows from a material with a higher temperature to one with a lower temperature.
A)Kinetic energy
B)Heat
C)Potential energy
D)Work
19.
Which of the following objects has potential energy?
A)a glass sitting on a table
B)a ball rolling across the floor
C)a baseball hitting the ground
D)a bowling ball knocking over a pin
20.
__________ is the transfer of energy by the motion of heated particles in a gas or liquid.
A)Collision
B)Radiation
C)Conduction
D)Convection
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