Unit 4 Changes in Matter - Review 2024

Front

Lemonade withOUT pulp is a ______.

Back

Homogeneous mixture

Front

The Law of Conservation of Mass/Matter states that matter/mass CAN be created or destroyed. TRUE or FALSE?

Back

FALSE

Front

Is this an example of a physical or chemical change?

Back

physical

Front

Sodium Hydroxide has a pH of 13. What is it?

Back

Base

Front

When the temperature is warm, the chemical reaction happens _________.

Back

Faster

Front

What is a heterogeneous mixture?

Back

A mixture where the components are not uniform and can be easily distinguished.

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Front

What is an element?

Back

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

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.