Unit 6 Physical Science

1

Describe the motion of atoms in a liquid.

atoms are not paced at all and slide past each other

atoms are tightly packed and locked into place

atoms losely packed and slide past each other

1

Describe the motion of atoms in a solid.

atoms losely packed and slide past each other

atoms are tightly packed and locked into place

atoms are not paced at all and slide past each other

2

Choose ALL examples of physical changes:

chopping wood

frying an egg

melting an ice cube

2

Choose ALL examples of chemical changes:

wood burning in a fire

a bike rusting in the rain

a puddle evaporating

1

What are the three main states of matter?

1

What state of matter is this?

solid

liquid

gas

1

Matter is...

anything that has mass and carries an electric charge

anything that takes up space and has mass

anything that you can weigh on a scale

anything that is a liquid or solid

3

Match the phase changes and descriptions

Stavka koja se može prevući		Odgovarajuća stavka
vaporization		gas to liquid
sublimation		liquid to solid
deposition		solid to gas
freezing		liquid to gas
condensation		solid to liquid
melting		gas to solid

1

Condensation is the opposite of freezing

Tačno

Netačno

1

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

Tačno

Netačno

1

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

Tačno

Netačno

1

Two examples of vaporization are

C Condensation and Sublimation

A Evaporation and condensation

D Boiling and Deposition

B Evaporation and Boiling

1

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

The temperature increases

The temperature stays constant

The temperature decreases

1

Water heating and turning into steam is a ___________ change.

chemical

physical

1

Iron rusting is a ___________ change.

chemical

physical

1

Blue color is a ______________ property.

chemical

physical

1

What state of matter is this?

solid

liquid

gas

1

Density is a ____________ property.

chemical

physical

1

Flammability is a _______________ property.

chemical

physical

1

Combustion (reactivity with oxygen) is a ______________ property.

chemical

physical

1

Melting point is a ____________ property.

chemical

physical

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?

dissolve a little solute in it

dissolve lots of solute in it

dissolve more solute than you are normally able to

dissolve a specific amount of solvent in it

1

The ______ is the thing being dissolved

solute

mixture

solvent

suspension

1

The Tyndall effect is used to identify

elements

solutions

suspensions

colloids

5

Match the following

Stavka koja se može prevući		Odgovarajuća stavka
gold (Au)		colloid
mud puddle		solution
milk		suspension
carbon dioxide (CO₂)		element
salt water		compound

1

What type of mixture separates upon standing?

solution

colloid

suspension

1

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

float

sink

1

What state of matter is between A and B?

solid

liquid

gas

1

What is the boiling point of sodium chloride?

0°C

801°C

1465°C

1

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

1

Unit 6 Physical Science

Describe the motion of atoms in a liquid.

Describe the motion of atoms in a solid.

Choose ALL examples of physical changes:

Choose ALL examples of chemical changes:

What are the three main states of matter?

What state of matter is this?

Matter is...

Match the phase changes and descriptions

Condensation is the opposite of freezing

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

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

Two examples of vaporization are

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

Water heating and turning into steam is a ___________ change.

Iron rusting is a ___________ change.

Blue color is a ______________ property.

What state of matter is this?

Density is a ____________ property.

Flammability is a _______________ property.

Combustion (reactivity with oxygen) is a ______________ property.

Melting point is a ____________ property.

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

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

How does a solution become supersaturated?

The ______ is the thing being dissolved

The Tyndall effect is used to identify

Match the following

What type of mixture separates upon standing?

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

What state of matter is between A and B?

What is the boiling point of sodium chloride?

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

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

Describe the motion of atoms in a liquid.

Describe the motion of atoms in a solid.

Choose ALL examples of physical changes:

Choose ALL examples of chemical changes:

What are the three main states of matter?

What state of matter is this?

Matter is...

Match the phase changes and descriptions

Condensation is the opposite of freezing

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

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

Two examples of vaporization are

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

Water heating and turning into steam is a ___________ change.

Iron rusting is a ___________ change.

Blue color is a ______________ property.

What state of matter is this?

Density is a ____________ property.

Flammability is a _______________ property.

Combustion (reactivity with oxygen) is a ______________ property.

Melting point is a ____________ property.

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

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

How does a solution become supersaturated?

The ______ is the thing being dissolved

The Tyndall effect is used to identify

Match the following

What type of mixture separates upon standing?

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

What state of matter is between A and B?

What happens moving from D to E?

At which region is only gas found?

What is the boiling point of sodium chloride?

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

Which substance is MOST soluble at 10°C?

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

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

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

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

What happens moving from D to E?

At which region is only gas found?

Which substance is MOST soluble at 10°C?

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

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

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

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

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

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

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