Stars and The Sun Test

1. What is a giant ball of hot gases that is undergoing nuclear fusion?

• a. A planet
• b. A solar system
• c. A star
• d. A star cluster

Tags

NGSS.HS-ESS1-1

2. The powerful electric currents that cause __________ near the Earth’s poles are interactions of the solar wind with Earth’s magnetic field.

• a. Auroras
• b. Prominences
• c. Solar Flares
• d. Sun Spots

Tags

NGSS.HS-PS2-5

3. The solar wind is a stream of electrically charged particles that extend outward from the sun’s _____.

• a. Chromosphere
• b. Corona
• c. Photosphere
• d. Core

4. You are observing the sun through a solar telescope. You see dark regions on the photosphere. Which solar property are you observing?

• a. Sunflowers
• b. Sunspots
• c. Prominences
• d. Solar Flares

5. Where does a star’s energy come from?

• a. Convection currents in the convection zone
• b. Nuclear fission in the core
• c. Nuclear fusion in the radiation zone
• d. Nuclear fusion in the core
• e. Solar wind coming from the corona

Tags

NGSS.HS-ESS1-1

6. Which property of the Sun is emitted bursts of radiation that can affect Earth’s GPS and communication signals?

• a. Prominences
• b. Sunspots
• c. Solar flares
• d. Convection currents

Tags

NGSS.HS-PS4-3

7. The Sun is an example of a(n) _____.

• a. Main sequence star
• b. Red supergiant
• c. Red giant
• d. White dwarf

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

8. Characteristics used to classify stars include _____.

• a. Color, distance, and brightness
• b. Color, distance, and size
• c. Size, brightness, and distance
• d. Size, brightness, and temperature

9. Stars are made mostly of which two elements?

• a. Hydrogen and Oxygen
• b. Hydrogen and Helium
• c. Helium and Oxygen
• d. Carbon and Oxygen

Tags

NGSS.HS-ESS1-1

10. The Hertzsprung-Russell diagram shows that main-sequence stars _____.

• a. are mostly cool and bright
• b. are mostly hot and dim
• c. decrease in brightness as they increase in temperature
• d. increase in brightness as they increase in temperature