Matter Study Guide

Front

A group of students weighed a jar of cream. Then they shook a jar of cream to make butter. Then, they weighed the jar again. Which best describes the mass/weight of the jar?

Back

The jar will have kept the same weight because it did not gain or lose any matter.

Front

Why is melting ice a physical change instead of a chemical change?

Back

It does not form a new substance

Front

How can Julia predict the mass of the batter when following a recipe and weighing each ingredient separately?

Back

She can add the weights of each ingredient together.

Front

Why is burning wood a chemical change?

Back

The process creates a new substance.

Front

Acid in the stomach digesting food is...

Back

an example of a new substance being formed

Front

Scissors cutting paper into pieces is...

Back

NOT an example of a new substance being made

Front

Sunshine warming a sidewalk is...

Back

NOT an example of a new substance being made

Front

Sugar dissolving in coffee or tea is...

Back

NOT an example of a new substance being formed

Front

Mass of empty beaker: 110g. Added water: 60g. Total mass after freezing?

Back

170 grams

Front

Sean observes a gas forming after mixing liquids. What does this indicate?

Back

A new substance is probably forming.