Mystery 4- Fireworks, rubber, and Silly Putty???

What did the alchemists discover while experimenting with substances?

• chemical reactions create something new

• chemical reactions are not useful

• chemical reactions are always dangerous

• it is easy to create gold

Which one of these is NOT a chemical change?

• wood burning

• vinegar and baking soda fizzing

• fireworks exploding

• ice melting

Choose all that apply.

Chemical changes can.....

• cause a change in color

• make bubbles/fizzing

• make a new substance

• be easily reversed

Choose all that apply.

What has been created because of a chemical reaction?

• rubber

• glass

• lemonade

• plastic

• crumpling up a piece of paper

Choose all that apply.

What combinations in today's experiment created a chemical reaction?

• Glue and vinegar

• Baking soda and glue

• Borax and glue

• Baking soda and Vinegar

Choose all that apply.

What do fireworks, rubber, and Silly Putty all have in common?

• They all go through a physical change.

• They are all created by a chemical reaction.

• They have interesting and useful properties.

• They all require heat to make them.