Vocabulary in Context - Meaning (Unit 6)

1. What does "universe" mean?

• A) A large group of stars

• B) Everything that exists, including all matter and energy

• C) A type of planet

• D) A small part of a galaxy

2. What is a "solar system"?

• A) A group of galaxies

• B) A collection of stars

• C) The Sun and all the objects that orbit around it

• D) A type of telescope

3. What does "galaxy" refer to?

• A) A single planet

• B) A collection of stars, gas, and dust held together by gravity

• C) The area around a black hole

• D) The path that planets take around the Sun

4. What is a "telescope" used for?

• A) To measure temperature

• B) To look at stars and planets far away

• C) To create maps of the Earth

• D) To study gravity

5. What is a "planet"?

• A) A huge ball of gas that gives off light

• B) An object that orbits around a planet

• C) A type of galaxy

• D) A celestial body that orbits a star and is not a star itself

6. What does "orbit" mean?

• A) The path an object takes as it moves around another object in space

• B) The speed at which a planet spins on its axis

• C) The distance between two planets

• D) The time it takes for Earth to rotate once

7. What is "gravity"?

• A) The force that makes things float in space

• B) The energy produced by stars

• C) The force that pulls objects toward each other, keeping them grounded

• D) The speed at which planets move through space

8. What are "seasons"?

• A) Different types of planets in our solar system

• B) Different types of galaxies we can see from Earth

• C) Phases of the Moon

• D) Times of the year marked by specific weather patterns due to Earth's tilt and orbit around the Sun

9. What does "phases" refer to in astronomy?

• A) Different types of stars in a galaxy

• B) The different appearances of the Moon as it orbits Earth

• C) Stages in the life cycle of a planet

• D) Seasons on other planets