ESS Unit 9.1.2 Exploration Questions

What is the main reason the heliocentric model explained retrograde motion more simply than the geocentric model?

• It placed Earth at the center of the universe, so retrograde motion was a result of Earth's movement relative to other planets.

• It showed that planets move in perfect circles around Earth.

• It relied on the idea that planets do not move at all.

• It placed the Sun at the center, so retrograde motion was a result of Earth's movement relative to other planets.

What did Galileo's discovery of Jupiter's moons demonstrate?

• All objects in the sky orbit Earth.

• Objects can orbit planets other than Earth.

• Jupiter is the only planet with moons.

• The Sun orbits Jupiter.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which of the following best describes a meteoroid?

• A large planet that orbits the Sun.

• A small, rocky body that travels through space.

• A star that has burned out.

• A moon that orbits a planet.

What happens when a meteoroid enters Earth's atmosphere?

• It becomes a planet.

• It forms a new moon.

• It burns up

• It turns into a comet.

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NGSS.MS-PS1-2

Where are most asteroids in our solar system found?

• Between the orbits of Mars and Jupiter.

• Inside Earth's atmosphere.

• Orbiting the Moon.

• In the center of the Sun.

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What is a key characteristic of a comet?

• It is made only of rock and metal.

• It has a tail of gas and dust when it passes close to the Sun.

• It orbits only the Earth.

• It is always found in the asteroid belt.

Which statement is true about dwarf planets?

• They have cleared their orbital path of other objects.

• They are always found inside Earth's orbit.

• They orbit the Sun, are round but have not cleared their orbital path.

• They are the same as moons.

Why was Pluto reclassified as a dwarf planet in 2006?

• It does not orbit the Sun.

• It is not spherical in shape.

• It shares its orbit with other objects of similar size.

• It is larger than Jupiter.

What is a moon, according to the reading?

• A celestial body that revolves around a body greater in mass

• A star that orbits the Sun.

• A planet that orbits another planet.

• A comet that passes close to the Sun.

Tags

NGSS.MS-ESS1-1

Which of the following is NOT a requirement for an object to be classified as a planet?

• It must orbit a star.

• It must have a spherical shape.

• It must have a tail of gas and dust.

• It must have no other objects similar in size in its orbit.