ES_3.20 Summative Assessment_U3_UA

Front

How was the moon formed according to the most widely accepted theory?

Back

The moon was formed from a giant collision between Earth and a Mars-sized object.

Front

What is the primary purpose of a space station?

Back

To serve as a residence for astronauts.

Front

What are the dark, cooler areas on the surface of the sun called?

Back

Sunspots.

Front

What is unique about Triton's orbit around Neptune?

Back

Triton has a retrograde orbit, meaning it orbits Neptune in the opposite direction of most other moons.

Front

How long do scientists believe the sun will continue to exist?

Back

About 5 billion more years.

Front

What is a solar flare?

Back

A solar flare is a sudden eruption of intense high-energy radiation from the sun's surface.

Front

What is the difference between a solar eclipse and a lunar eclipse?

Back

A solar eclipse occurs when the moon passes between the Earth and the sun, blocking the sun's light; a lunar eclipse occurs when the Earth passes between the sun and the moon, casting a shadow on the moon.

Front

What is the significance of sunspots?

Back

Sunspots are important for studying solar activity and can affect space weather.

Front

What is the main function of satellites launched from space stations?

Back

Satellites are used for communication, weather monitoring, and scientific research.

Front

What is the composition of the sun primarily made of?

Back

The sun is primarily composed of hydrogen (about 74%) and helium (about 24%).