What is the effect of gravity on the motion of stars in a galaxy?

It keeps stars in orbit around the center of the galaxy.

It causes stars to move in random directions.

It has no effect on the motion of stars.

It repels stars away from the galaxy.

Which model of the Solar System is currently accepted by scientists?

Kepler's modified Heliocentric model

How does gravity affect the formation of solar systems?

It causes the collapse of gas and dust to form stars and planets by gravity.

It prevents the formation of solar systems.

It only affects the temperature of solar systems.

It has no role in the formation of solar systems.

What was a major flaw in the geocentric model of the Solar System?

It placed in Earth as the center of the universe

It accurately predicted the positions of planets.

It placed the Sun at the center of the universe.

It was based on observations with telescopes.

Which of the following explains why Venus has a higher temperature than Mercury?

Mercury has no little to no atmosphere compared to Venus

The length it takes Venus to revolve around the Sun is shorter

The length it takes Venus to revolve around the Sun is longer than Mercury

The atmosphere on Venus is thinner than the atmosphere on Mercury

Which statement accurately relates a planets distance from the Sun to its other properties?

The further away a planet is from the Sun the longer its year is.

The closer a planet is to the Sun the greater its gravity.

The closer a planet is to the Sun the greater its mass is.

The further away a planet is from the Sun the shorter its year is.

If you weigh 100lbs on Earth...Which of the following statements correctly compares the force of gravity on Earth to the force of gravity of other celestial bodies within the Solar System?

Earth has a larger gravitational pull than Uranus.

Earth has a smaller gravitational pull than Mars.

Earth has a larger gravitational pull than Neptune.

Earth has a smaller gravitational pull than the Moon.

What happens if there is new evidence for a scientific theory?

New evidence can strengthen, revise, or lead to the rejection of a scientific theory.

All scientific theories are proven true with new evidence.

New evidence is ignored and has no impact.

New evidence causes old theories to be discarded completely as it is considered no longer valid.

Scientific theories are based on..

Reliable evidence which is why it is difficult to discard

Evidence that is not reliable which is why it can be changed easily

Exploring Gravity and the Solar System

Authored by Marla Sarraga

Science

8th Grade

NGSS covered

Used 19+ times

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MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What role does gravity play in the formation of planets and stars?

It repels objects away from each other.

It attracts objects towards each other, allowing them to form

It has no effect on the formation of planets and stars.

It only affects the motion of planets, not their formation.

Which of the following best describes the gravitational force of the Sun compared to Earth?

The Sun has a weaker gravitational force than Earth.

The Sun has a stronger gravitational force than Earth.

The Sun and Earth have the same gravitational force.

Gravitational force is not applicable to the Sun.

Which model of the Solar System places Earth at the center?

Heliocentric model

Geocentric model

Modern model

Astrological model

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How is weight different from mass?

Weight is the amount of matter in an object, while mass is the gravitational pull on an object.

Weight is the gravitational pull on an object, while mass is the amount of matter in an object.

Weight and mass are the same.

Weight is measured in kilograms, while mass is measured in newtons.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the primary force that determines the motion of planets in the solar system?

Electromagnetic force

Gravitational force

Nuclear force

Frictional force

Which planet has the highest surface temperature in the Solar System?

Earth

Mars

Venus

Mercury

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Who proposed the heliocentric model of the Solar System?

Ptolemy

Copernicus

Galileo

Newton

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Exploring Gravity and the Solar System

What role does gravity play in the formation of planets and stars?

Which of the following best describes the gravitational force of the Sun compared to Earth?

Which model of the Solar System places Earth at the center?

How is weight different from mass?

What is the primary force that determines the motion of planets in the solar system?

Which planet has the highest surface temperature in the Solar System?

Who proposed the heliocentric model of the Solar System?

If an object is taken to the Moon, how does its weight change compared to its weight on Earth?

What is the effect of gravity on the motion of stars in a galaxy?

Which planet is known for having the most moons?

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