Cast Science Review

Quiz
•
Science
•
8th Grade
•
Hard
+15
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The movement of this particle is responsible for electrical energy
electron
proton
neutron
nucleus
Answer explanation
The movement of electrons is responsible for electrical energy, making it the correct choice among the options provided.
Tags
NGSS.MS-PS2-3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nathan notices that when the bag moves away from him, it swings upward. Then, it slows to a stop and then swings back. Nathan knows that the _____ energy of the bag is converted to gravitational potential energy as the bag swings upward.
kinetic
potential
thermal
elastic
Answer explanation
The correct choice is kinetic because as the bag moves away from Nathan, it has kinetic energy which is then converted to gravitational potential energy as it swings upward.
Tags
NGSS.MS-PS3-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When the seesaw is balanced, the force the pivot exerts on the seesaw is 1254 N ___________.
upward
downward
to the right
to the left
Answer explanation
When the seesaw is balanced, the force the pivot exerts on the seesaw is 1254 N upward to maintain equilibrium.
Tags
NGSS.MS-PS2-2
NGSS.MS-PS2-4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A student conducts 5 trials to investigate factors affecting the formation of impact craters and here are the results. Which statement BEST describes the results of the investigation?
The kinetic energy of the marble just before impact is proportional to the depth of the crater it forms
The kinetic energy of the marble just before impact is proportional to the mass of the marble
The depth of the crater is proportional to the mass of the marble
The depth of the crater is proportional to the mass of the marble
Answer explanation
The kinetic energy of the marble just before impact is proportional to the depth of the crater it forms
Tags
NGSS.MS-PS2-2
NGSS.MS-PS3-1
NGSS.MS-PS3-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A scientist measure the amplitude and wavelength of waves in the ocean and calculates the amount of energy contained in one square meter of water for each wave.
The data and calculations for four different waves are shown in the table. Which wave characteristics, if any, does the energy in the wave depend on,
Amplitude
Wavelength
Energy
Amplitude and Wavelength
Answer explanation
The energy in the wave depends on the Amplitude, as shown in the data and calculations for the four different waves.
Tags
NGSS.MS-PS4-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A student learning about heat transfer makes this claim:
Some metals change temperature more rapidly than others.
The student will test this claim using metal rods made of iron and copper.
What other lab materials would be useful?
prism, heat lamp, screen, meter stick
beaker, digital scale, stopwatch, clamps
litmus paper, beaker, balance, battery
hot water, pan, stopwatch, thermometer
Answer explanation
The correct choice is hot water, pan, stopwatch, thermometer as they are essential for conducting an experiment to compare the rate of temperature change in iron and copper rods.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-3
NGSS.MS-PS3-4
NGSS.MS-PS3-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nathan lost his balance when he hit the bag with a hard punch. He says that was because of the reaction force from his punch, which was large because the bag is heavy. Is he correct?
Yes, he is correct.
No, it is not the weight, it is the large mass of the bag that gives the large reaction force.
No, the reaction force depends on the force of Nathan's punch, not on the mass of the bag.
No, the bag does not exert a reaction force, because it is flexible.
Answer explanation
The correct choice is 'No, the reaction force depends on the force of Nathan's punch, not on the mass of the bag.' The reaction force is determined by the force applied, not the mass of the bag.
Tags
NGSS.MS-PS2-1
NGSS.MS-PS2-2
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