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Gravitational Force

Authored by AL SMITH

Physics

7th Grade

NGSS covered

Used 504+ times

Gravitational Force
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This quiz focuses on gravitational force as the main topic, with subtopics covering the relationship between mass, distance, and gravitational attraction. The content is appropriate for 7th grade middle school students, as it requires understanding of fundamental physics concepts without complex mathematical calculations. Students need to grasp that gravitational force depends on two key factors: the masses of interacting objects and the distance between them. They must understand that gravity is always an attractive force that pulls objects together, that more massive objects exert stronger gravitational pulls, and that gravitational force decreases as distance increases. The quiz also requires students to differentiate between mass and weight, recognizing that mass remains constant while weight varies depending on the gravitational field strength of different celestial bodies. Students need reasoning skills to analyze scenarios involving falling objects, compare gravitational effects on different planets, and identify which variables affect gravitational interactions while ruling out irrelevant factors. Created by AL SMITH, a Physics teacher in the US who teaches grade 7. This comprehensive assessment serves multiple instructional purposes throughout a unit on gravitational force and can be effectively implemented as formative assessment to gauge student understanding, homework assignment to reinforce classroom learning, or review material before summative evaluations. The quiz structure makes it ideal for warm-up activities at the beginning of class periods or as guided practice during instruction. Teachers can use individual question clusters to target specific misconceptions, such as the difference between mass and weight or the inverse relationship between distance and gravitational attraction. The varied question formats, from conceptual understanding to practical applications involving astronauts and planetary comparisons, provide opportunities for differentiated instruction and help students connect abstract physics principles to real-world phenomena. This assessment aligns with NGSS MS-ETS1-2 and supports the development of scientific reasoning skills while addressing common alternative conceptions about gravity that middle school students frequently hold.

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24 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When placed at equal distances apart, the greatest gravitational attraction will be between two

skateboards

bowling balls

school buses

Tags

NGSS.MS-PS2-4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is needed to determine the amount of gravitational force between two objects?

distance and mass

weight and time

area and weight

Tags

NGSS.MS-PS2-4

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The gravitational force exerted by an object depends on its

volume

mass

weight

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-2

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A student drops a bowling ball and an apple from a third-story window. Both objects hit the ground at the same time. From the experiment, the student should conclude that

the apple weighs more than the bowling ball

more air friction is acting on the apple than on the bowling ball

gravity pulls on both objects, causing them to fall at the same time.

Tags

NGSS.MS-PS2-4

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Amanda weighs about 600 N on Earth, but would only weigh about 100 N on the Moon. Which BEST explains why Amanda would weigh less on the Moon than on Earth?

The circumference of the Moon is smaller than Earth, therefore it has less gravity.

The lack of air pressure on the Moon weakens the gravitational force of the Moon.

The mass of the Moon is less than that of Earth, therefore it has a weaker gravitational force.

Tags

NGSS.MS-PS2-4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The amount of gravitational attraction between the Moon and an astronaut standing on its surface depends on the astronaut's distance from the center of the Moon and the astronaut's

height

shape

mass

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-2

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the relationship between mass and gravitational pull?

Higer mass creates higher gravitational pull

Lower mass creates higher gravitational pull

Lower gravitational pull creates more mass

Tags

NGSS.MS-PS2-4

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