Unit 7; Lessons 1-2

A student researches some of the planets. He prepares a table listing a feature of each planet.

Which planet has a feature that suggests the possibility of liquid water on the planet in the past?

• Mars

• Mercury

• Saturn

• Venus

• 1 and 3

• 2 and 3

• 3 and 4

• 2 and 4

Tags

NGSS.MS-ESS1-3

Ganymede is a moon of Jupiter. It is larger than Mercury and has a metallic core similar to Earth’s core. Which of these statements best explains why Ganymede is classified as a moon rather than a planet?

• It is too large to be called a planet.

• It orbits Jupiter instead of the sun.

• Its properties are different from Jupiter’s.

• It is farther from the sun than Mercury.

The image shows Earth's solar system with the planets numbered in sequence.

Which planets have rocky surfaces?

• planets 1, 2, 3, and 4

• planets 2, 3, 4, and 6

• planets 4, 5, 6, and 7

• planets 5, 6, 7, and 8

• The Milky Way galaxy is bigger than galaxy M31.

• The Milky Way galaxy is the same shape as the Pegasus Dwarf galaxy.

• The Milky Way galaxy is a different shape than galaxy M32.

• The Milky Way galaxy is smaller than the Triangulum galaxy.

Tags

NGSS.MS-ESS1-3

There are many different colors of stars. Which characteristic determines the color of a star?

• temperature

• size and shape

• actual brightness

• distance from Earth

Which galaxy is most similar to the Milky Way, and why?

• Galaxy T; it has a spiral shape.

• Galaxy T; it has an elliptical shape.

• Galaxy U; it has a spiral shape.

• Galaxy U; it has an elliptical shape.

Tags

NGSS.MS-ESS1-2

While looking at the sky one night, Bevan saw a streak of light. Bevan’s father told him that the light was produced by a small chunk of rock passing through Earth’s atmosphere. Which of these terms best describes what Bevan saw?

• asteroid

• meteor

• comet

• meteorite

What is found between the inner planets and the outer planets?

• asteroids

• moons

• comets

• stars

Examine the diagram of the Milky Way galaxy.

What does area Z most likely represent?

• shape of a constellation

• shape of a planetary orbit

• position of Earth

• position of galaxy center

Tags

NGSS.MS-ESS1-2