Sc 8 E 5 3

Which object contains most of the mass of the universe?

• black holes

• dark matter

• gas and dust

• stars

Which of the following best describes Earth's specific location in space?

• within a solar system

• in a cluster of galaxies

• at the edge of a supercluster

• at the center of a spiral galaxy

Which of the following best explains the Big Bang Theory?

• a law about how the universe was created

• a guess as to how the universe was created

• observations of how the universe was created

• an explanation of how the universe was created

Tags

NGSS.HS-ESS1-2

What unit of measurement do scientists use when measuring distances inside the solar system?

• miles

• light years

• astronomical unit

• inches

What unit of measurement do scientists use when measuring distances between galaxies?

• miles

• astronomical units

• light years

• feet

Which sequence describes the structure of the universe from smallest to largest?

• cluster, supercluster, solar system, galaxy

• galaxy, cluster, supercluster, solar system

• solar systems, galaxies, clusters, superclusters

• superclusters, clusters, galaxies, solar systems

What holds clusters of matter together in the universe?

• gravity

• light

• radiation

• superclusters

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

A collection of stars held together by gravity is

• solar system

• galaxy

• universe

• planet

Tags

NGSS.MS-ESS1-2