12-12 Changes

Last updated over 2 years ago

2 questions

Required

1

Required

1

A cub grows into an adult bear.
This is an example of an irreversible change.

True

False

The burning of candle wax.

The melting of candle wax.

Baking cookie dough into cookies.

Mixing red and blue marbles in a bag.

A cub grows into an adult bear.  
This is an example of an irreversible change.
 

True

False

Select all of the changes that are reversible.  You will choose 2 answers!

The burning of candle wax.

The melting of candle wax.

Baking cookie dough into cookies.

Mixing red and blue marbles in a bag.