8 Physical Science Review

Which of the following mixtures is homogeneous?

• soil

• salt water

• fruit salad

• vegetable soup

A label on a bottle states "shake well before using", this is probably a?

• colloid

• solution

• suspension

• alloy

You add a teaspoon of sugar to a glass of cold water with sugar already in it. You stir it until the spoonful of sugar dissolves; what kind of solution did you have?

• saturated

• unsaturated

• supersaturated

• alloy

Tags

NGSS.MS-PS1-2

Mayonnaise is an example of a:

• colloid

• suspension

• solution

• alloy

To increase the solubility of a solid substance in a solvent you should:

• lower the pressure

• add more solute

• stir the solution

• heat the substance

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What type of solution contains as much of a dissolved solute as it can hold under normal conditions?

• saturated

• unsaturated

• supersaturated

• none of these

Match the following

• scattering of light by a colloid

• alloy

• substance that dissolves into a solvent

• Tyndall effect

• molecule with positive and negative ends

• polar

• a solid or liquid mixture of metals

• solution

• all homogenous mixtures are this

• solute

Match the following

• substance solute dissolves into

• solvent

• solute + solvent = ?

• concentration

• universal solvent

• solution

• two liquids that will NOT mix

• water

• quantity of a substance in a mixture

• immiscible

Two or more metals that are mixed together.

• alloy

• immiscible

• solvent

• none of these

Tags

NGSS.MS-PS1-1

What are 4 differences between heterogenous and homogeneous mixtures?

Groups:

(a) Heterogenous

,

(b) Homogeneous

• trail mix

• large particles

• fixed

• not fixed

• small particles

• hard to separate

• easily separated

• salt water