Chemical Magic

Acid rain and limestone caused what kind of change?

• physical change

• chemical change

• gargoyle

• carbon dioxide

An ________ ​is a member of a historical group of people who mixed together different substances, with the hope of becoming rich (such as creating gold).

• Property
• Acid
• Alchemist
• Chemical Reaction

All acids are dangerous.

• True

• False

Could you transform something worthless into gold?

• no, you could cover it up or coat it to make it look like gold but not turn it into gold
• yes, we changed the pennies, cleaned them & turned them into gold
• yes, anything can be changed, like a tire could be changed into gold

Which of the following would be the best to use to make a dull penny shiny again?

• wash it in salt water

• wash it in soapy water

• wash it in a vinegar/salt mixture

Tags

NGSS.5-PS1-4

What happened when we left the nail in the bag of pennies?

• The nail transformed into copper.

• The nail was covered with copper.

• The steel was removed so the copper showed through.

Tags

NGSS.MS-PS1-2

What gas is produced when you mix vinegar and baking soda?

• Oxygen

• Carbon Monoxide

• Carbon Dioxide

• Helium

An example of an acid that is NOT dangerous is ___.

• bleach

• lemon juice

• sulfuric acid

• ammonia

A group of substances that are very reactive and have in common the fact that they taste sour, can dissolve metals, and cause a burning feeling.

• acid

• base

• chemical

• property

Tags

NGSS.5-PS1-3

Any trait of a substance, such as its color.

• physical

• chemical

• solution

• property

Tags

NGSS.5-PS1-3