Vocabulary Quiz Theme 1 Lesson 2

What do astrobiologists primarily study?

• The history of space exploration
• The chemical composition of stars
• Life in the universe

Which of the following best describes microbes?

• Organisms that can only survive in extreme conditions
• Complex structures made of cells
• The smallest living things

How is radiation defined?

• A type of sound wave
• Dangerous energy rays that cannot be seen

What is a colony ?

• A group of animals living in one place
• A single organism living alone
• A type of plant that grows in clusters

What is the function of sensors ?

• To detect changes in physical conditions or movement.

• To analyze chemical reactions
• To store data

What does the term 'tiny' refer to?

• Moderately sized
• Extremely small
• A type of large organism

What is the main function of a pump?

• To store liquids for future use
• To measure temperature
• To force a liquid or gas to flow in a particular direction

What are rovers used for?

• Collecting samples from the ocean
• Monitoring weather patterns on Earth
• Routing machines for making holes and for exploration

What is a lump?

• A large mass of liquid
• A small solid mass without a definite shape

When there is lack of water it means __________

• There is an abundance of water.

• There is no water.