HW: Ch. 21 Lesson 1 Quiz Review

What is the solar system made up of?

• The Sun and the group of objects that move around it

• Only the Sun and the Moon

• The Sun and all the stars in the night sky

• Only the planets Mercury, Venus, Mars, Jupiter, and Saturn

Tags

NGSS.MS-ESS1-3

Which invention in the 1600s led to the discovery of several planets and many other space objects?

• The microscope

• The telescope

• The compass

• The steam engine

What is the Sun primarily made of?

• Helium gas

• Oxygen gas

• Hydrogen gas

• Carbon dioxide gas

What percentage of the solar system's mass does the Sun make up?

• About 50%

• About 75%

• About 99%

• About 25%

Tags

NGSS.MS-ESS1-3

What process inside the Sun produces a huge amount of energy?

• Photosynthesis

• Nuclear fission

• Nuclear fusion

• Chemical combustion

Tags

NGSS.HS-ESS1-1

What causes the planets and other objects in the solar system to move around, or orbit, the Sun?

• The Sun's magnetic field

• The Sun's light

• The Sun's gravitational force

• The Sun's electric charge

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is the diameter of the Sun?

• About 1.4 million km

• About 2.8 million km

• About 109 Earth diameters

• About 4.5 billion km

Tags

NGSS.MS-ESS1-3

What are the three requirements that define a planet?

• Must orbit the Sun, must be round, must be the only object in its orbit

• Must orbit a star, must be large enough to have enough gravity to form a semi-spherical shape, must be big enough that its gravity has cleared away smaller objects near its orbit

• Must orbit a star, must be perfectly spherical, must not have any moons

• Must orbit the Sun, must be visible from Earth, must have an atmosphere

Tags

NGSS.MS-ESS1-2

Which of the following is not a characteristic of a dwarf planet?

• Orbits the Sun

• Is not a moon of another planet

• Has more mass than all other objects in nearby orbits

• Is spherical in shape

What is the main difference between asteroids and planets?

• Asteroids are made of gas, while planets are not

• Asteroids orbit the Sun, while planets do not

• Asteroids are usually not spherical, while planets are

• Asteroids can have moons, while planets cannot