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WorksheetsEnergy Test 2 Review
Total questions: 25
Worksheet time: 22mins
What type of simple machine is the handles?
lever
inclined plane
wheel and axle
pulley
What instrument measures force and weight in Newtons?
triple beam balance
spring scale
sling psychrometer
barometer
What type of energy is associated with the motion of particles in a substance?
heat
chemical
electrical
mechanical
Marcos has a new toy. When he plugs it in and turns it on, a marble is carried up to the top of a slide. At the top, the marble is released and it goes down the slide. What kind of energy transformation occurs to make this toy work?
chemical to heat
electrical to chemical
sound to electrical
electrical to mechanical
What happens when you hold a mug of hot chocolate?
Heat travels from the hot cocoa in the cup to your hands.
No energy is transferred.
Heat is transferred from your hands to the hot cocoa in the cup.
Energy is created.
Look at the picture below to answer the question.Which simple machine is used to raise or lower the flag?
lever
fixed pulley
screw
moveable pulley
What must happen for an action to be considered work?
force applied and energy created
force applied and a distance moved
force applied and matter destroyed
force applied and mass increased
Which of these is a closed circuit?
a
b
both
neither
Sally and Juan’s science teacher has challenged her students to build a paper airplane that would stay airborne for ninety seconds. The students have two days to design and test their planes. The assignment will end with a "fly-off." The teacher has given the students the problem. What should be the next step?
build the model airplane
test the model airplane
design the model airplane
generate and communicate ideas for potential airplane designs
Examine the picture. What is the purpose of the battery in the circuit?
source of energy
conductor of electrical energy
switch that turns the device on and off
device that changes electrical energy to different form
Examine the picture. What is the purpose of the wire in the circuit?
source of energy
conductor of electrical
switch that turns the device on and off
device that changes electrical energy to different form
Examine the picture. What is the purpose of the bulb in the circuit?
source of energy
conductor of electrical
switch that turns the device on and off
device that changes electrical energy to different form
Which of the following would keep my coffee warm for a longer period of time?
metal cup
styrofoam cup
both
neither
Which of the following is true about an insulator?
it promotes heat transfer
it prevents heat transfer
it allows heat to pass through easily
none of these
