EOY Part 1 Review 7.6ABCD, 7.7ABCD, 7.8ABC, 7.9ABC

Front

Back

24

Front

What is the difference between Co and CO?

Back

CO is two elements and Co is only one element.

Front

Which of Newton's laws states that an object at rest stays at rest unless acted upon by an external force?

Back

Newton's 1st law.

Front

How is motion best described?

Back

A change in position over time.

Front

What term describes Maxine's travel if she walks 4 m/s east?

Back

Velocity.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity; velocity is a vector quantity that includes direction.

Front

What does the law of conservation of mass state?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.