a year ago
cdickinson17
Save
Edit
Host a game
Live GameLive
Homework
Solo Practice
Practice
• Question 1
30 seconds
Q. Conduction can only occur between two objects when –
one object is less dense than the other.
both objects are in physical contact with each other.
one of the objects is made of a metal.
both objects are exactly the same temperature.
• Question 2
60 seconds
Q. In the situation illustrated, how will heat energy move? Heat energy will be transferred from –
the water to the hot plate by convection.
the water to the hot plate by conduction.
the hot plate to the water by convection.
the hot plate to the water by conduction.
• Question 3
30 seconds
Q. Radiation is a method of thermal energy transfer that moves -
through empty space.
when objects touch.
only through solids.
in the motion of fluids.
• Question 4
30 seconds
Q. An example of a situation in which an egg is receiving thermal energy through convection -
The egg is kept warm by its mother in the nest.
An egg cracked on a hot sidewalk starts to cook.
The egg is hard boiled in a pot of water.
A metal pan on the stove fries the egg.
• Question 5
60 seconds
Q. What two kinds of heat transfer are represented?
stove→pot=convection pot→egg=conduction
stove→pot=conduction pot→egg=convection
• Question 6
120 seconds
Q. Which energy conversion is taking place when you put gasoline in a car?
thermal -> electrical
mechanical -> electrical
chemical -> mechanical
mechanical -> electromagnetic
• Question 7
120 seconds
Q. what type of energy is stored in a battery?
electrical
chemical
thermal
mechanical
• Question 8
120 seconds
Q. Which energy transformation occurs in a toaster?
chemical to electric
electric to thermal
kinetic to chemical
thermal to potential
• Question 9
120 seconds
Q. A battery converts what type of energy to another?
sound to kinetic
light to heat
mechanical to electrical
chemical to electrical
• Question 10
60 seconds
Q. Energy transformations occur when...
energy is created through conduction
energy changes from one form to another
two forces slide together that are touching
a chemical reaction takes place
• Question 11
60 seconds
Q. The roller coaster cart has the most gravitational potential energy at position-
W
X
Y
Z
• Question 12
120 seconds
Q. Which items would have this energy transformation: chemical energy -> mechanical energy?
person running
candle burning
windmill turning
playing a violin
• Question 13
60 seconds
Q. "Energy can be transformed from one form into another or transformed from one region or another, but energy cannot be created or destroyed."
Which law is this?
Law of Conservation of Mass
Newton's Second Law
Law of Conservation of Energy
Newton's Third Law
• Question 14
30 seconds
Q. Energy due to motion is ____________ energy.
Potential
Energy
Kinetic
Friction
• Question 15
30 seconds
Q. The faster an object moves, the ________ kinetic energy it has.
more
less
none of the above
all of the above
• Question 16
30 seconds
Q. __________ is stored energy.
Potential
Kinetic
None of the above
All of the above
• Question 17
30 seconds
Q. When you stretch a rubber band, you are storing __________ energy.
kinetic
potential
none of the above
all of the above
• Question 18
30 seconds
Q. What kind of energy is in basketball passing through the hoop?
Potential
Kinetic
• Question 19
30 seconds
Q. At which point is kinetic energy greatest?
W
X
Y
Z
• Question 20
30 seconds
Q.

Energy can be _____________ or changed from one type to another.

destroyed

transformed

created

ignored

• Question 21
30 seconds
Q.

Between which two points is the potential and kinetic energy equal?

W - X

X - Y

Y-Z

• Question 22
30 seconds
Q.

Between which two points is the potential energy increasing and kinetic energy decreasing?

W - X

X - Y

Y-Z

• Question 23
30 seconds
Q.

Between which two points is the potential energy decreasing and kinetic energy increasing? There is more than one answer.

W - X

X - Y

Y-Z

• Question 24
30 seconds
Q.

Energy disappears.

True

False

• Question 25
30 seconds
Q.

What energy transformation allows you to wake up and move around?