Unit 2 Review

Matter

​Matter

Anything that has

mass

Takes up space (volume)

Open Ended

What is matter?

Multiple Choice

Mass measures _____________

• The amount of space an object takes up

• The amount of "stuff" in an object ________________

• How tall the object is

Multiple Choice

The amount of space something takes up

• density

• volume

• mass

• matter

Multiple Choice

What are the three states of matter?

• solid, volume, mass

• density, volume, mass

• solid, liquid, gas

• density, gas, volume

Multiple Choice

A gas

• has a definite shape and a definite volume

• has a definite volume but no definite shape

• has no definite shape and no definite volume

Multiple Choice

A liquid

• has a definite shape and a definite volume

• has a definite volume but no definite shape

• has no definite shape and no definite volume

Multiple Choice

A solid

• has a definite shape and a definite volume

• has a definite volume but no definite shape

• has no definite shape and no definite volume

Multiple Choice

What happens to the average kinetic energy of matter when it is heated?

• It increases

• It stays the same

• It decreases

• It cannot be determined

Multiple Choice

Which of the following states of matter has the LOWEST level of energy?

• Solid

• Liquid

• Gas

• Plasma

Multiple Choice

If the atoms of an object are moving fast, the temperature would be...

• High

• Low

Multiple Choice

What is the measure of the average kinetic energy of the particles in an object?

• Heat

• Motion

• Thermal Energy

• Temperature

​Energy

​0^o C

​100^o C

Multiple Choice

At what temperature does matter change phases from a solid to a liquid?

• Melting Point

• Boiling Point

• Condensation Point

• 0 degrees Celsius

Multiple Choice

What is the phase change called that occurs when a liquid turns into a gas?

• Condensation

• Freezing

• Melting

• Vaporization

Multiple Choice

Phase change going from Liquid to Solid...

• Melting

• Freezing

• Condensation

• Sublimation

Multiple Choice

The phase change from water vapor to liquid water is known as...

• evaporation

• precipitation

• condensation

• sublimation

Multiple Choice

What is it?

• Pure Substance

• Mixture

Multiple Choice

What is it?

• Pure Substance

• Mixture

Multiple Choice

The picture shown here is what type of mixture?

• homogeneous

• hetergeneous

• pure substance

• element

Multiple Choice

Jorge prepared a drink and salad for dinner. The chart lists the ingredients for both.
Using the information in the chart, which statement is the BEST description of the drink and salad?

• The salad and fruit drink are both mixtures.

• The salad and the fruit drink are both solutions.

• The fruit drink is a mixture because the ingredients can't be separated.

• The salad is a solution because the ingredients can't be separated.

Multiple Choice

A ______________ mixture is one that does not have a uniform composition.

• heterogeneous

• homogenous

• pure substance

Multiple Choice

A _________________ mixture is one where the substances are evenly spread throughout.

• heterogeneous

• homogeneous

• pure substance

Multiple Choice

True or False: elements AND compounds are pure substances.

• True

• False

Multiple Choice

What type of mixture is this

• heteregenous

• homogeneous

Multiple Choice

Identify the change:

Glass breaking

• Physical

• Chemical

Multiple Choice

Identify the change:

Wood burning

• Physical

• Chemical

Multiple Choice

Boiling Water

• Physical Change

• Chemical Change

Multiple Choice

Dissolving Sugar

• Physical Change

• Chemical Change

Multiple Choice

Nail Rusting

• Physical Change

• Chemical Change

Multiple Choice

Egg Cooking

• Physical Change

• Chemical Change

Multiple Choice

Which observations prove a chemical change occurred ?

• Dissolving and expected color change

• Mixing and dissolving

• State of matter change and boiling water bubbles

• Unexpected color change and temperature change

Multiple Choice

When mixing milk and vinegar, a white, chunky, solid substance is formed. What has occurred?

• Physical change: state of matter

• Chemical change: precipitate (forming a solid)

• Physical change: freezing

• Chemical change: new gas

Multiple Choice

A physical change can sometimes result in a color change. Which of the following situations show this?

• Milk turns yellow when it spoils.

• Dough becomes darker when it is baked into cake.

• A red candy dissolves and turns water pink.

• A match turns black when it is burned.

Multiple Choice

Which of these is NOT an indicator of a chemical change:

• Unexpected temperature change after combining two or more substances

• Two combined substances cause fizzing

• Bubbles and steam rise from a pot of boiling salt water

• Precipitates form in a solution of two or more substances

Multiple Choice

What two types of measurements make up DENSITY? 

• Mass and Volume

• Temperature and Mass

• Grams and Centimeters

• Volume and Weight

Multiple Choice

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL

• 7 g/cm³

• 28 g/cm³

• 1/7 g/cm³

Multiple Choice

Calculate the density of the cube.

Hint: Volume of the Cube is LxWxH

• 2 g/cm³

• 4 g/cm³

• 6 g/cm³

• 8 g/cm³

Multiple Choice

An irregularly shaped piece of gold was lowered into a graduated cylinder holding a volume of water equal to 17 ml. The height of the water rose to 20 ml. If the mass of the gold was 27 g, what was its density?

• 9 g/mL

• 10.5 g/mL

• 6.5 g/mL

• 8 g/mL

Multiple Choice

Which of these pH values represent an acid?

• 4

• 8

• 10

• 12

Multiple Choice

Which of the following are properties of acids?

• They conduct electricity when dissolved in water

• They taste sour

• They react with metals to produce hydrogen gas

• All of the answer choices are correct

Multiple Choice

Which of the following is a property of a base?

• bitter taste

• reacts with metals

• salty

• sour taste

Multiple Choice

Which of the following pH values represents a base?

• 2.1

• 4.6

• 6.8

• 8.1

Multiple Choice

If the substance is neutral, what would the pH be?

• 3

• 5

• 7

• 9

• 11

The Law of Conservation of Mass

1 + 1 = 2

​10g + 5g -------> 15g

Multiple Choice

If 20g of sugar is stirred into a beaker containing 100g of water. What would the mass of the dissolved solution be after the sugar is dissolved fully?

• 20g

• 100g

• 80g

• 120g

Multiple Choice

How many atoms of aluminum are on each side of the following equation?

4Al + 3O₂ --> 2Al₂ O₃

• 2

• 6

• 4

• 1

Labelling

How many atoms of each are in the reactants?

Drag labels to their correct position on the image

2

2 molecules

5 atoms

1

1 molecule

4

Multiple Choice

a number in front of a chemical formula that indicates how many molecules or compounds of each reactant and product are involved in a reaction

• denominator

• coefficient

• numerator

• subscript

Multiple Choice

a substance that forms in a chemical reaction

• coefficient

• subscript

• reactant

• product

Multiple Choice

If reaction starts with 20g of reactants it should produce 

• a total of 40g of products

• a total of 10g of products

• a total of 80 g of products

• a total of 20g of products

Multiple Choice

Which of the models of a chemical reaction best represents the Law of Conservation of Mass?

• A

• B

• C

• D

Multiple Choice

Based on the Law of Conservation of Matter, describe the relationship between the mass of the reactants and the mass of the products.

• The mass of the products is always greater than the mass of the reactants.

• The mass of the reactants is less than the mass of the products.

• The mass of the reactants equals the mass of the products.

• The mass of the reactants is greater than the mass of the products.

Multiple Choice

What happens to atoms in a chemical reaction?

• they are destroyed

• they are created

• they are rearranged

Multiple Choice

Which section represents the reactants?

• A

• B

• C