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Unit 6 Physical Science

Last updated about 4 years ago
39 questions
1

Describe the motion of atoms in a liquid.

1

Describe the motion of atoms in a solid.

2

Choose ALL examples of physical changes:

2

Choose ALL examples of chemical changes:

1

What are the three main states of matter?

1

What state of matter is this?

1

Matter is...

3

Match the phase changes and descriptions

Draggable itemCorresponding Item
melting
gas to liquid
condensation
liquid to solid
freezing
solid to gas
vaporization
liquid to gas
deposition
solid to liquid
sublimation
gas to solid
1

Condensation is the opposite of freezing

1

In order to float in water, a substance must be less dense than the water

1

The freezing point and melting point of a substance are the same temperature.

1

Two examples of vaporization are

1

What happens to the temperature of a substance when it is changing state?

1

Water heating and turning into steam is a ___________ change.

1

Iron rusting is a ___________ change.

1

Blue color is a ______________ property.

1

What state of matter is this?

1

Density is a ____________ property.

1

Flammability is a _______________ property.

1

Combustion (reactivity with oxygen) is a ______________ property.

1

Melting point is a ____________ property.

2

What is the density of a liquid that weighs 25.0g and a volume of 30.0mL.

2

What is the density of an object with a mass of 25.5g which displaces 6.2mL of water

1

How does a solution become supersaturated?

1

The ______ is the thing being dissolved

1

The Tyndall effect is used to identify

5

Match the following

Draggable itemCorresponding Item
mud puddle
colloid
carbon dioxide (CO2)
solution
gold (Au)
suspension
salt water
element
milk
compound
1

What type of mixture separates upon standing?

1

If an object has a density of 2.5 g/mL, would it float or sink in water?

1

What state of matter is between A and B?

1

What happens moving from D to E?

1

At which region is only gas found?

1

What is the boiling point of sodium chloride?

1

How many grams NaCl can be dissolved at 90°C?

1

Which substance is MOST soluble at 10°C?

1

If 30 g HCl is dissolved at 50°C, is the solution

1

If 100 g NH4Cl is dissolved at 90°C, is the solution

1

If 80 g NaNO3 is dissolved at 10°C, is the solution

1

At what temperature can you dissolve 63g HCl? (just enter the number)