During a solar eclipse, what occurs?

The moon casts its shadow on Earth and a new moon occurs.

The sun casts its shadow on the moon and a full moon occurs.

The Earth casts its shadow on the moon and a new moon occurs.

The moon casts its shadow on Earth and a full moon occurs.

Why does Venus have a higher average temperature than Mercury?

The atmosphere on Venus is thicker.

The rotational period of Venus is longer.

The atmosphere on Venus is thinner.

The revolution period of Venus is longer.

Which statement below best describes how scientists explain gravity's role in the formation of our solar system?

As the Sun was forming, the force of gravity caused surrounding dust grains to collide and stick together, forming dust granules into increasingly larger bodies that became planets.

The combined gravitational attraction between our planets was so large that it pulled the Sun away from a nearby star cluster in the center of our solar system.

The eight planets in our solar system were originally orbiting a nearby star, and the Sun's gravity was large enough to pull those planets into orbit around the Sun.

Due to the expansion of neighboring solar systems, the gravitational attraction of our planets to those solar systems forced the formation of the planets around our Sun.

How does the heliocentric model compare to the geocentric model?

The Earth is in the center of the solar system in the geocentric model.

The Earth is in the center of the solar system in the heliocentric model.

The Sun is in the center of the solar system in the geocentric model.

The Sun is in the center of the solar system in both models.

The planet Saturn takes 10,747 Earth days to complete one orbit around the Sun. Why does Saturn take longer to complete one orbit around the Sun than Earth does?

Saturn is farther from the Sun.

Saturn has a thicker atmosphere.

Saturn is the only planet with rings.

The tides at the beach changes during the day. Which of the following most impacts the changes in tides?

The Moon's gravitational pull on Earth.

Earth's revolution around the Sun.

The Sun's gravitational pull on the moon.

How does Earth’s gravitational attraction to the Sun affect Earth’s orbit?

It pulls Earth into a slightly elliptical orbit, keeping Earth in motion around the Sun.

It pulls Earth into a circular orbit, keeping Earth’s distance from the Sun constant.

It makes Earth move in a straight line around the Sun.

It causes Earth to rotate more slowly when it is farther from the Sun.

Which of the following best describes why the Moon has phases?

We see varying amounts of the sunlit side of the Moon as it orbits Earth.

Earth’s shadow falls on the Moon at different angles.

The Moon moves through Earth’s shadow at different times.

The Moon rotates, changing the side that faces Earth.

Which of the following best describes the asteroid belt?

A band of rocky objects orbiting between Mars and Jupiter.

A region with multiple small planets between Earth and Mars.

A group of comets near the Sun.

Which of the following best describes the surface of Mars?

Rocky with iron oxide dust, giving it a reddish color

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

It attracts gas and dust to form larger masses.

It only affects planets, not stars.

Why do planets closer to the Sun orbit faster than those farther away?

The Sun’s gravity is stronger closer to it.

They have weaker gravitational pulls.

They are made of heavier materials.

Which of the following describes how planets form into spherical shapes?

Gravity pulls matter evenly towards the center.

The rotation speed shapes the planet.

The magnetic field shapes the planet.

What prevents objects in space from colliding with each other all the time?

Gravity maintains stable orbits.

Lack of gravitational attraction

They move in the same direction.

Why are gas giants like Jupiter and Saturn less dense than terrestrial planets?

They are primarily composed of gases.

What was one major flaw in the geocentric model?

It stated that the Sun revolves around Earth.

It placed Earth at the outer edge of the solar system.

It stated that planets move in straight lines.

It included multiple stars in the solar system.

How do the positions of the Sun, Earth, and Moon cause spring tides?

The Sun and Moon line up, making tides higher and lower than usual.

The Sun, Earth, and Moon form a right angle.

The Sun is far from Earth, causing weaker tides.

The Earth is between the Sun and Moon, pulling water away.

How does the gravitational pull of the Moon influence Earth’s oceans?

It causes a bulge of water to form, resulting in high tides.

It pulls water away from Earth, creating high tides.

It causes the water to evaporate, reducing the ocean’s volume.

It has no effect on the oceans.

Why does the Earth experience two high tides each day?

The Moon’s gravitational force pulls the water on Earth’s surface, creating two high tides.

Earth rotates on its axis every 12 hours.

The Sun’s position causes two tidal waves.

Earth’s shape causes the water to rise and fall.

A lunar eclipse occurs when:

The Moon moves into Earth's shadow

The Moon moves into the Sun's shadow.

The Earth moves into the Moon's shadow.

The Sun moves into Earth's shadow.

Which of the following provides the best reasoning for how the planets form their spherical shapes?

The gravitational pull towards the center of the planets

The gravitational attraction of the planets towards each other

The gravitational repulsion of the planets away from each other

The gravitational push away from the center of the planets

Unit 4 Review

Authored by Sara Gazaille

Science

8th Grade

NGSS covered

Used 1+ times

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46 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements describes one limitation of geocentric and heliocentric models of our solar system?

Both models include the Sun.

Both models include the Earth with one revolving moon.

Both models represent multiple stars within our solar system.

Both models include a central astronomical body with other astronomical bodies revolving around it.

Tags

NGSS.MS-ESS1-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which planet has the highest average temperature?

Mercury

Venus

Earth

Mars

Tags

NGSS.MS-PS3-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main component of Venus's atmosphere?

Nitrogen

Oxygen

Carbon dioxide

Hydrogen

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which planet is 1 AU from the Sun?

Mercury

Venus

Earth

Mars

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the average temperature on Mars?

15 °C

-65 °C

-110 °C

-140 °C

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the distance from the Sun to Saturn in AU?

0.4 AU

1.5 AU

5.2 AU

9.6 AU

Tags

NGSS.MS-ESS1-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following points on the diagram represents summer in the Southern Hemisphere?

Tags

NGSS.MS-ESS1-1

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Unit 4 Review

Which of the following statements describes one limitation of geocentric and heliocentric models of our solar system?

Which planet has the highest average temperature?

What is the main component of Venus's atmosphere?

Which planet is 1 AU from the Sun?

What is the average temperature on Mars?

What is the distance from the Sun to Saturn in AU?

Which of the following points on the diagram represents summer in the Southern Hemisphere?

What is the revolution period of Mars in Earth years?

Which planet has a thick atmosphere mostly composed of nitrogen and oxygen?

During a solar eclipse, what occurs?

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