SC 4 E 5 2

Which of the following statements best relates a star's color to its surface temperature?

• A blue star has a relatively low temperature.

• A red star has a relatively high temperature.

• A blue-white star has a relatively low temperature.

• A yellow star has a relatively low temperature.

A scientist examines a star system that is made up of two pairs of stars. What type of system is the scientist examining?

• Single

• Binary

• Triple

• Quadruple

Which of the following units is used to express the size of stars?

• Kilometer

• Light-year

• Solar Radius

• Astronomical unit

The sun is made up of different elements. Which element makes up more than 70 percent of the sun?

• Carbon

• Helium

• Hydrogen

• Oxygen

Tags

NGSS.MS-PS1-1

Which of these processes is defined as the joining of two atomic nuclei to create a new nucleus?

• Nuclear fission

• Nuclear fusion

• Particle radiation

• Nuclear radiation

Tags

NGSS.HS-PS1-8

The __________ has planets, moons, comets, and asteroids.

• solar system

• earth

• rotation

• United States

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

Why is Venus so much hotter even though it is further away from the Sun?

• Venus doesn’t have an atmosphere which causes the planet to become much hotter than other planets.

• Venus’ atmosphere is so dense that heat is trapped and can barely escape, making it hotter than other planets.

• Venus has different layers in our atmosphere which causes Venus to be hotter.

• Venus atmosphere is so thin that heat is able to pass through and make the planet hotter.

What type of model is shown?

• geocentric

• Wheels on wheels

• heliocentric

• galaxy

Tags

NGSS.MS-ESS1-1

Earth's ________ on its axis causes day and night.

• rotation

• revolution

• phase

• comet

Tags

NGSS.MS-ESS1-1

Our galaxy is where Earth is located in called what?

• Orion's Belt

• Andromeda

• Hydra

• Milky Way

Tags

NGSS.MS-ESS1-2