What is true about the distance between a planet and the sun and the planet’s revolution around the Sun?

The closer the planet is to the sun, the faster it orbits.

The closer the planet is to the sun, the slower it orbits.

The farther the planet is to the sun, the faster it orbits.

The farther the planet is to the sun, the brighter the sun is.

What would happen to Earth if its forward motion stopped?

Earth would move toward the Sun and eventually crash into it.

Earth would continue to orbit in our Solar System normally.

Earth would sit motionless and not moving.

Earth would drift off in space because nothing would hold it in the Solar System.

What would happen to Earth if the Sun's gravity dissappeared?

Earth would drift off in space because nothing would hold it in the Solar System.

Earth would continue to orbit in our Solar System normally.

Earth would sit motionless and not moving.

Earth would move toward the Sun and eventually crash into it.

Here is a model of the gravitational force of Mars. Objects A and B have the same mass but are different distances from Mars. Which statement explains how the gravitational force affects the two objects?

Object B will be more affected by the gravitational force because it is closer to Mars than Object A.

Object A and B will be affected equally by the gravitational force.

Object A will be more affected by the gravitational force because it is farther from Mars than Object B.

The satellite is orbiting Earth in the direction shown and is pulled toward Earth by gravity. What would happen if Earth's gravity suddenly disappeared?

The satellite would move into space in a straight line.

The satellite would fall to Earth.

The satellite would stop moving.

The satellite would continue to orbit Earth.

The dotted lines in the picture show orbital paths of objects. Which statement is true about all of the orbits shown?

The force of gravity is what holds each object in its orbit.

All objects move in circular orbits.

The size of an object determines the size of its orbit.

The size of both an object and the object it orbits are equal.

Observe the path of Voyager 2 satellite . Why did the route of Voyager 2 change, without firing its thrusters, as it passed Jupiter?

Gravitational force between Jupiter and Voyager 2 pulled it into a new route.

Solar winds pushed Voyager 2 into a new path.

Jupiter blocked the sun’s gravitational pull on Voyager 2.

The gravity of Jupiter caused Voyager 2 to become its satellite.

Which of the following did engineers need to know to plan Voyager 2’s path through the solar system? Choose *ALL* that apply.

Newton's laws of motion and the law of universal gravitation

How does changing the distance of the string in the model represent the orbits of the planets?

the longer the string, the longer the orbit time of a planet

the longer the string means the larger the planet

the shorter the string, the longer the orbit time of the planet

the shorter the string, the smaller the planet

Do planets affect the sun? Why?

Yes. Sun pulls on planets; planets pull on Sun.

No. The Sun pulls on the planets and keep them in orbit.

Why do we orbit the Sun and not the other way around?

lighter objects tend to orbit heavier ones

brighter objects tend to orbit duller ones

duller objects tend to orbit brighter ones

heavier objects tend to orbit lighter ones

The Earth doesn't totally get sucked into the Sun, because ___

it's moving fast enough around it

it's moving too slowly around it

Which of the following best describes the formation of the solar system?

A rotating disk of gas and dust was drawn together by the force of gravity.

The Sun ejected rocky material which formed the planets due to magnetic attraction forces.

One very large planetary body broke apart into several smaller planets.

Several stars of different masses cooled and formed the planets and the Sun.

Why do some planets have moons in our solar system?

They have enough gravity to hold a moon in orbit

How does changing the distance between objects affect the force of gravity?

Decreasing distance increases gravity

Increasing distance increases gravity

Mr. Deem knows, but he's not telling

Distance does not affect gravity

Suppose that this person left go of the chain. As soon as he releases the chain the balls inertia would....

result in the ball flying off in a straight line away from the person.

make the ball immediately stop and fall straight to the ground.

keep the ball moving in a circle around him.

either a, b, or c -- depending on whether the person continues to push it

Which of the following best describes the formation of the solar system?

A rotating disk of gas and dust was drawn together by the force of gravity.

The sun ejected rocky material which later went on to form the planets.

One very large planetary body broke apart into several smaller planets.

Several stars of different masses cooled and formed the planets and the sun.

Which explains why the tablecloth trick works?

The dishes have inertia, and therefore stay on the table.

The dishes are stuck in place due to air resistance.

What is the relationship between heavy objects and inertia?

Heavy objects have more inertia.

Only heavy objects have inertia.

Heavy objects have less inertia.

Gravity and Orbit Review

Authored by Charles Martinez

Science

6th - 8th Grade

NGSS covered

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68 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

Two factors effecting the strength of gravity between 2 objects are...

weight and mass

distance and weight

mass and matter

mass and distance

Tags

NGSS.MS-PS2-4

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A(n) _____ is the curved path of an object around a point/object in space.

orbit

rotation

revolution

phase

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What prevents planets from drifting off into space and keeps it in the planets in our Solar System?

Gravity

Weight

Friction

Forward Motion

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What prevents planets from pulled into and crash into the Sun?

Gravity

Weight

Friction

Inertia (Forward Motion)

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which of the following is required for planets to stay in orbit around the Sun? (choose all that apply)

Gravity

Weight

Friction

Inertia (Forward Motion)

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

NGSS.MS-ESS1-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

__________holds all of the planets in orbit around the sun.

Force

Motion

Weight

Gravity

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are three things all planets have in common?

they are spherical, they have at least one moon and they have gravity

Orbit the sun, massive enough that their gravity controls all objects in the area and they are spherical

they have at least one moon, they are spherical and they were made by accretion

they are spherical, they orbit the sun and they have living organisms

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Gravity and Orbit Review

Two factors effecting the strength of gravity between 2 objects are...

A(n) _____ is the curved path of an object around a point/object in space.

What prevents planets from drifting off into space and keeps it in the planets in our Solar System?

What prevents planets from pulled into and crash into the Sun?

Which of the following is required for planets to stay in orbit around the Sun? (choose all that apply)

__________holds all of the planets in orbit around the sun.

What are three things all planets have in common?

What is true about the distance between a planet and the sun and the planet’s revolution around the Sun?

A planet with a large orbit has...

A planet with a short orbit has...

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