What is the basic astronomical unit based on?

The distance Earth, the planet the scientist live on, is from the Sun.

The distance Mercury, the closest planet, is from the Sun.

The distance Neptune, the furthest planet, is from the Sun.

Which describes a characteristic that is shared by different galaxies in the universe?

They all formed because of gravity.

They all are about the same distance from the Milky Way.

They all have similar planets and stars.

James has created the diagram shown to model three planets in the order of their gravitational force with the Sun. Which change to the model will make it more accurate and why?

reorder the planets to Mercury, Earth, Jupiter, because both distance from the Sun and the planets’ masses influence gravitational pull

reorder the planets to Mercury, Earth, Jupiter, because the Sun pulls more strongly on smaller planets than on larger planets

keep the same order but move Earth and Mercury much farther away, because gravitational pull increases as distance from the Sun increases

put all three planets the same distance from the Sun, because the Sun’s constant mass causes the same gravitational pull on all three planets

Naa is reading an article about objects in the solar system. She finds out that Ganymede, one of Jupiter's moons, is bigger than the planet Mercury. Which statement explains why Ganymede is not classified as a planet?

It orbits Jupiter and not the Sun.

It is not as close to the Sun as Mercury.

It is not shaped like the rest of the planets.

It is held in its orbit by gravity.

Thom reads an article on the internet that that claims some lakes on Saturn are contain frozen methane. He reads that there is methane on Neptune, too. Which sentence best describes data that would suggest methane is frozen on Neptune?

Neptune's surface temperature is colder than Saturn's.

Neptune's atmosphere has more methane than Saturn's.

Neptune's mass is less than Saturn's.

Neptune's distance from the Sun is greater than Saturn's.

Which does NOT have an effect on how strongly the Sun pulls on an object in space?

the fact that the Sun is made of a mixture of gases

how far the object is away from the Sun

Which of the following data can help someone to infer the size of a planet?

how many moons it can capture due to its pull of gravity

how far it is from the Sun in km

its surface temperature in degrees

The illustration shows the path of Earth's orbit around the Sun. Describe the path of Earth if the Sun's gravity were to suddenly stop.

Earth would move in a straight line instead of a curved line.

Earth would continue to move within its orbit.

Earth would move in a straight line towards the Sun.

Earth would stop moving and become suspended in one spot.

NASA has been sending exploration missions to Mars for almost 50 years. The length of time it has taken the different spacecraft to reach Mars ranges from 150 days to 360 days. In order to make it possible for humans to travel to Mars, the travel time must be reduced. Assume the different spacecraft were using the same amount of fuel at the same rate. Why are there such long differences in travel time?

The distance from Earth to Mars changes

The distance of Mars from the Sun changes

The position of Earth from the Sun changes

The shape of the planet's orbit changes

The chart shows the surface temperatures of the outer planets. What can you conclude about the outer planets based on the data table?

If Neptune were closer to the Sun, it would be cooler

Saturn is closer to the Sun than any of the other outer planets

The surface temperature of Earth is between that of Neptune and Jupiter

Exploring the Universe

Authored by Michelle Scilingo

Science

6th - 8th Grade

NGSS covered

Used 46+ times

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25 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What impact does size have on objects' gravity?

The larger the mass of an object, the less gravity it has.

Smaller objects have more gravity.

Mass and gravity do not impact.

The larger the mass of an object, the more gravity it has.

Tags

NGSS.MS-PS2-4

MULTIPLE SELECT QUESTION

30 sec • 1 pt

What 2 things impact how much gravity is exerted on an object?

Mass

Color

Magnetism

Distance

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NGSS.MS-PS2-4

MULTIPLE SELECT QUESTION

30 sec • 1 pt

What are the 3 types of galaxies?

Spiral

Elliptical

Nebula

Irregular

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are large moons not considered planets?

Because they don’t orbit the Sun, they orbit a planet.

Because they don't have enough mass.

Because they don't create enough gravity.

Because they are too far away.

Tags

NGSS.MS-PS2-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the order of the 4 inner planets?

Mars, Mercury, Venus, Earth

Mercury, Venus, Earth, Mars

Earth, Mars, Mercury, Venus

Venus, Mercury, Earth, Mars

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does mass impact gravity?

Objects with less mass have more gravitational pull

Objects with more mass have more gravitational pull.

Mass has no impact on gravity.

Gravity is constant and never changes.

Tags

NGSS.MS-PS2-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The coolest stars in the sky are_______in color.

white

yellow

red

blue

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Exploring the Universe

What impact does size have on objects' gravity?

What 2 things impact how much gravity is exerted on an object?

What are the 3 types of galaxies?

Why are large moons not considered planets?

What are the order of the 4 inner planets?

How does mass impact gravity?

The coolest stars in the sky are_______in color.

_______is the largest planet in the solar system, is the fifth planet from the Sun, and has colorful clouds.

What is the basic astronomical unit based on?

Which describes a characteristic that is shared by different galaxies in the universe?

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