
Benchmark Quiz
Authored by Shelley James
Science
8th Grade
NGSS covered
Used 1+ times

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25 questions
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1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Hey Luna and Oliver, did you know that the gravitational pull between two objects is like a cosmic dance? It depends on the ____________________ of the objects and the ____________________ between them. Can you fill in the blanks?
Answer explanation
Gravitational pull depends on mass and the distance between the objects. The greater the mass, the stronger the gravitational pull, and the farther apart the objects are, the weaker the pull. Thus, the correct choice is mass/distance.
Tags
NGSS.MS-PS2-2
NGSS.MS-PS2-4
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Imagine you're in a galaxy far, far away with Anika, Aiden, and Rohan. Which objects do you think have a greater pull of gravity, the ones that are ____________ massive?
Answer explanation
Objects that are more massive have a greater pull of gravity due to their larger mass. Therefore, the correct choice is 'more'.
Tags
NGSS.MS-PS2-4
NGSS.MS-ESS1-2
3.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Imagine you're in a race with Anika and Elijah, and you want to speed up your go-kart. What should you increase to boost your acceleration and leave them in the dust?
Answer explanation
Acceleration of an object increases if the force increases, according to Newton's second law (F=ma). If mass increases while force remains constant, acceleration decreases.
Tags
NGSS.MS-PS2-2
4.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Hey Charlotte and Michael, can you guess which type of wavelength packs more energy? Is it a ________________ wavelength?
Answer explanation
A short wavelength corresponds to higher energy due to the inverse relationship between wavelength and energy in the electromagnetic spectrum. Therefore, a short wavelength will have more energy.
Tags
NGSS.MS-PS4-1
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Imagine Daniel and Scarlett are pushing a giant boulder from opposite sides with equal force. What will happen to the boulder?
Answer explanation
A balanced force results in no net force acting on an object, which means it will not cause movement. Therefore, the correct choice is 'no movement'.
Tags
NGSS.MS-PS2-2
NGSS.MS-PS2-1
6.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Imagine Luna and Ethan are playing tug-of-war. An unbalanced force always causes ______________________ . What do you think happens?
Answer explanation
An unbalanced force always causes movement. This is because an unbalanced force results in a net force acting on an object, leading to a change in its state of motion.
Tags
NGSS.MS-PS2-2
7.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Imagine you're a lazy cat named Maya, lounging on a sunny windowsill. What keeps you from moving unless absolutely necessary? Is it inertia or gravity?
Answer explanation
Inertia is the property of an object that resists changes in its state of motion. It can be thought of as the object's 'laziness' to change its motion, while gravity is a force that pulls objects toward each other.
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