Science: Earth and Space - Chapter 10

Emma and her friends were discussing how many planets were known to ancient astronomers during their history class. How many planets were known to ancient astronomers?

• one

• three

• five

• seven

Henry and his friends are discussing why Pluto is no longer considered a planet. What is the main reason that Pluto is now classified as a dwarf planet?

• It is near objects not controlled by its gravity.

• It does not have a spherical shape.

• It does not directly orbit the sun.

• It is smaller than Earth’s moon.

Abigail and Rohan are discussing astronomy. Abigail asks, "What is the smallest type of structure formed by a group of galaxies?"

• supercluster

• clump

• cloud

• cluster

Avery and Kai are observing the sun through a telescope. They notice something that indicates the sun is spinning. What did they observe?

• activity of spicules

• streams of solar prominences

• movement of sunspots

• eruption of solar flares

During a school science project, Mason and his friends were fascinated by a star-like object believed to be made up of a large black hole surrounded by a glowing ring of gas. They learned that this object is called a(n) ___?

Tags

NGSS.MS-ESS1-2

During a science quiz at school, Grace was asked: Which of Neptune's satellites experiences the coldest known temperatures in the solar system?

• Mimas

• Triton

• Ganymede

• Callisto

During a science class, Jackson and Anika were discussing the moons of Mars. Which of Mars’s two moons orbits closer to the planet and more quickly?

• Phoebe

• Ophelia

• Deimos

• Phobos

Tags

NGSS.MS-PS2-4

In a classroom discussion, Anika explained that Aristotle taught a(n) ___ view of the universe.

During a school science quiz, Arjun was asked: What was the first object to be classified as an asteroid?

• Ida

• Ceres

• Dactyl

• Eros

Ethan was walking in his backyard when he found a chunk of space debris. What is this chunk called when it has reached the Earth's surface?

• bolide

• asteroid

• meteoroid

• meteorite