Main Idea Vocabulary

What is the meaning of the word 'constellation'?

• A group of stars

• A group of animals

• A group of planets

• A group of trees

What does the term 'gravity' refer to?

• The force that causes things to move towards each other

• The force that causes things to move away from each other

• The force that causes things to float in the air

• The force that causes things to stand still

What does the word 'observe' mean?

• To ignore

• To talk loudly

• To watch and listen carefully

• To forget

What is the meaning of main idea?

• The important idea about the topic

• The importance of observing the sky

• The study of nuclear reactions

• The myths surrounding constellations

What is the meaning of the word 'outflow'?

• existing or occurring in large amounts

• A flow of water

• A flow of emotions

• A flow of air

What is a red supergiant?

• A medium-sized star with medium surface temperature

• A massive star with low surface temperature

• A small star with high surface temperature

• A giant planet with a red hue

What is the meaning of the word 'inward'?

• Moving in a straight line

• Moving towards the inside

• Moving in a circular motion

• Moving away from the inside

What is a nuclear reaction?

• A reaction caused by the force of orbit

• A change in the identity of an atomic nucleus

• A chemical change that occurs when substances combine

• A reaction caused by the force of gravity

What is the meaning of the word 'supernova'?

• The formation of a new star

• The orbit of a star

• The explosion of a star

• The movement of a star

What is a topic?

• The characteristics of red supergiants

• The process of nuclear reactions

• The study of chemical elements

• what a passage is about