Chemical Magic

Many years ago, ________________ tried to invent a potion that would transform something ordinary into gold.

• chemists

• astronomers

• alchemists

• magicians

A liquid that is sour and can dissolve metal is considered a(n) ________________.

• base

• acid

• salt

• sugar

An acid can also be called a ________________ because it causes a reaction when combined with other substances.

• chemical

• liquid

• base

• metal

A ________________ is when two substances are mixed together to make something new with different properties.

• physical change

• mixture

• solution

• chemical reaction

Tags

NGSS.MS-PS1-2

When things like apples, bananas, and pennies turn brown, it is because of exposure to air. This process is called ________________.

• photosynthesis

• fermentation

• oxidation

• evaporation

When granules of sugar are placed in hot tea, they break up into tiny pieces and ________________ into the liquid.

• evaporate

• float

• dissolve

• condense

Tags

NGSS.MS-PS1-4

Substances are made up of tiny ________________ - so small that we can’t see them.

• particles

• blocks

• cells

• drops

Tags

NGSS.MS-PS1-1

The alchemists would mix together different ________________ like powders and liquids to create potions.

• colors

• machines

• animals

• substances

The scientific name for vinegar is ________________.

• acetic acid

• citric acid

• sulfuric acid

• hydrochloric acid

The scientific name for lemon juice is ________________.

• lactic acid

• acetic acid

• citric acid

• tartaric acid

Tags

NGSS.MS-PS1-1