CKLA Unit 7 L10-19 Vocab

What is the term used for a person who travels into space in a spacecraft?

• Pilot

• Astronaut

• Scientist

• Explorer

What do we call the force that keeps us on the ground and makes things fall?

• Wind

• Magnetism

• Gravity

• Friction

When a rocket begins its journey into space, what is this action called?

• Start

• Launch

• Flight

• Blast

What is everything around us that takes up space and has mass called?

• Matter

• Energy

• Air

• Light

What is a possible explanation for something that can be tested by an experiment called?

• Story

• Hypothesis

• Fact

• Rule

What do we call a very sad event where something bad happens unexpectedly?

• Comedy

• Tragedy

• Adventure

• Mystery

What word describes the universe as it gets bigger and the space between galaxies increases?

• Shrinking

• Expanding

• Freezing

• Melting

What do we call it when something is squeezed into a smaller space?

• Stretched

• Compressed

• Broken

• Inflated

What is a push or pull on an object that can cause it to change its motion called?

• Weight

• Force

• Speed

• Energy

What is a well-tested and widely accepted explanation for a wide range of observations or experimental results called?

• Guess

• Theory

• Law

• Opinion