Physical and Chemical Changes

Front

Is melting butter for popcorn a chemical or physical change?

Back

physical

Front

Which of the following is NOT an example of a physical change? tearing paper, sharpening a pencil, melting ice, forming rust

Back

forming rust

Front

Is freezing juice to make a popsicle a physical or chemical change?

Back

Physical Change

Front

What is a change in matter that creates a substance with an identity DIFFERENT from the original substance?

Back

Chemical Change

Front

Changing from one state of matter to another (freezing, melting, boiling) are physical changes.

Back

True

Front

Bubbling and burning are examples of...

Back

Chemical changes

Front

Rust on an iron bar is an example of chemical change.

Back

True

Front

When you break a cracker into pieces it is a...

Back

Physical change

Front

Why is photosynthesis a chemical change?

Back

It is an irreversible change that creates 2 new substances.

Front

Why is dissolving sugar in water a physical change?

Back

You can separate the solution by evaporating the water.