Classification of Matter

What is a pure substance made of 2 or more elements chemically combined in a specific ratio (Ex. Water)?

• Element

• Compound

• Mixture

• Solution

Tags

NGSS.MS-PS1-1

What is a type of mixture in which different parts can easily be seen (Ex. Vegetable soup)?

• Heterogeneous mixture

• Homogeneous mixture

• Solution

• Colloid

What is a well-mixed mixture containing a solvent and at least one solute that has the same properties throughout (Ex. Sugar water)?

• Heterogeneous mixture

• Colloid

• Suspension

• Solution

What is a type of mixture that is evenly mixed so you cannot see the parts and it looks all the same (Ex. Paint)

• Element

• Compound

• Heterogeneous mixture

• Homogeneous mixture

What is a pure substance that cannot be broken down into any other substances by chemical or physical means (Ex. Oxygen)?

• Element

• Compound

• Colloid

• Suspension

Tags

NGSS.MS-PS1-4

What is a mixture in which particles can be seen seen and settle out over time (Ex. Muddy water)?

• Solution

• Suspension

• Colloid

• Element

What is a mixture containing small, undissolved particles that do not settle out over time (Ex. Fog)?

• Solution

• Suspension

• Colloid

• Compound

A base is a compound that makes hydroxide ions (OH^-) when dissolved in water.

• True

• False

Red litmus paper turns blue in the presence of an acid.

• True

• False

Tags

NGSS.MS-PS1-2

pH is the measure of how strong or weak an acid is.

• True

• False