
Hmh Science Unit Benchmark
Authored by Charles Martinez
Science
6th - 8th Grade
NGSS covered

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose the skater is at the highest point in the jump and she pauses in air for a moment. What are the relative amounts of the skater’s kinetic energy and gravitational potential energy at that point?
all kinetic energy, no gravitational potential energy
half kinetic energy, half gravitational potential energy
no kinetic energy, all gravitational potential energy
no kinetic energy, no gravitational potential energy
Tags
NGSS.MS-PS3-2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following statements about the kinetic energy and potential energy of the skater are true?
As the skater rolls up the side of the half-pipe, the skater gains kinetic energy.
The skater has the most gravitational potential energy at the bottom of the half-pipe.
Gravitational potential energy transforms into kinetic energy when the skater rolls down the side of the half-pipe.
The skater transfers gravitational potential energy to the skateboard.
Tags
NGSS.MS-PS3-1
NGSS.MS-PS3-2
NGSS.MS-PS3-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Eating a healthy breakfast gives your body the energy needed to help you start your day. The girl in the photo is having cereal and orange juice, which have stored ___________
energy, a form of potential energy.
chemical
nuclear
electric
electromagnetic
Tags
NGSS.MS-LS1-7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Two cars are driving down the road. Car A has a mass of 1,100 kg and is moving at 20 m/s. Car B is has a mass of 1,000 kg and is moving at 30 m/s. Which car has more kinetic energy and why?
car A because it has more mass and almost the same speed as car B
car B because it has a greater speed and almost the same mass as car A
car A because it has a lower speed and almost the same mass as car B
car B because it has less mass and almost the same speed as car A
Tags
NGSS.MS-PS3-1
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is energy?
the ability to cause changes in matter
the mass of an object
the size of an object
the weight of an object
Tags
NGSS.MS-PS3-5
NGSS.MS-PS3-4
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of these is NOT a form of energy?
heat
mass
light
sound
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following does NOT have kinetic energy?
a rolling ball
an object at rest on a shelf
a speeding car
a swinging baseball bat
Tags
NGSS.MS-PS3-1
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