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Fall Final Review 2023

Total questions: 113

Worksheet time: 1hrs 18mins

Name
Class
Date
1.

How many Hydrogen (H) are in 4H2O?

a)

6

b)

8

c)

2

d)

4

2.
2H2 + O2 ----> 2H2O What is the product?
a)
------>
b)
2H2O
c)
2H2+ O2
3.
2H2 + O2 --------> 2H2O What  are the reactants?
a)
----->
b)
2H2O
c)
2H2 +O2
4.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
5.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
6.
A subscript is the small number below a(n) ________ that tells the number of _______ of that element.
a)
element symbol; atoms
b)
atom; element symbol
c)
subscript; protons
d)
compound; elements
7.
An oreo cookie weighs 20 grams.  It gets crushed into crumbs for a recipe.  How much do its crumbs weigh?
a)
15 grams
b)
25 grams
c)
20 grams
8.
If reaction starts with 20g of reactants it should produce... 
a)
a total of 40g of product
b)
a total of 10g of product
c)
a total of 80 g of product
d)
a total of 20g of product
9.
At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?
a)
the product is doubled
b)
the product is half the mass of the reactants
c)
the mass is the same
d)
the mass changes depending on the reaction
10.

If 50g of reactant forms 40g of product, what happened to the other 10g?

a)

It was destroyed

b)

Mass was not conserved

c)

It escaped as gas

11.

compounds are chemically bounded together

a)

False

b)

true

c)

I don't know?

12.

Can an element be broken down into a simpler substance

a)

yes

b)

No

13.

Are there any compounds on the periodic table

a)

yes there are many

b)

no because only elements are on the periodic table

c)

I think they are?

14.

Is salt (NaCI) a compound or a element

a)

Compound

b)

element

15.

which one can be found on the periodic table

a)

Compound

b)

Element

16.

A combination of substances that are not chemically combined is called a(n)____________.

a)

mixture

b)

compound

c)

physical

17.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
18.
_____ small particles that make up most types of matter on Earth.
a)
compounds
b)
atoms
c)
mixtures
d)
elements
19.

cereal is an example of a...

a)

Element

b)

Compound

c)

Mixture

20.

Matter is something that has ___________ and _____________.

a)

mass and is always hungry.

b)

heat and is using up energy.

c)

mass and takes up space.

d)

heat and does not use energy.

21.

How are liquids and gases alike?

a)

They both have their own shape.

b)

They can both take the shape of their container.

c)

They do not have mass.

d)

They are both solids.

22.
Which form of matter has a definite shape like this picture?
a)
liquid
b)
solid
c)
gas
d)
clay
23.

Which state of matter has a definite volume or size and a distinct shape at a given temperature?

a)

liquid

b)

gas

c)

solid

d)

all of the above

24.

Which state of matter has a definite volume, but it takes the shape of its container with the help of gravity?

a)

solid

b)

liquid

c)

gas

d)

all of the above

25.

Which state of matter has no fixed shape and no fixed volume?

a)

liquid

b)

gas

c)

solid

d)

all of the above

26.
Which state of matter has particles that are tightly packed?
a)
liquid
b)
gas
c)
solid
27.

Particles move quickly in each direction

a)

Solid

b)

Liquid

c)

Gas

28.

Cannot be compressed

a)

Solid

b)

Liquid

c)

Gas

29.
What is the definition of gas?
a)
a form of matter that does not have a definite volume or shape
b)
the state of matter that has a definite volume but not a definite shape
c)
a state of matter that starts as a gas and then becomes ionized
d)
the state of matter in which the volume and shape of a substance are fixed
30.
What is the definition of liquid?
a)

the state of matter that has a definite volume and a definite shape

b)
the state of matter in which the volume and shape of a substance are fixed
c)
the state of matter that has a definite volume but not a definite shape
d)
a form of matter that does not have a definite volume or shape
31.
What is the definition of solid?
a)
the state of matter in which the volume and shape of a substance are fixed
b)
a form of matter that does not have a definite volume or shape
c)
a state of matter that starts as a gas and then becomes ionized
d)
the state of matter that has a definite volume but not a definite shape
32.

Which change of state takes place at the freezing point of a substance?

a)

a gas becomes a solid

b)

a gas becomes a liquid

c)

a lliquid becomes a solid

d)

a solid becomes a gas

33.

What state is a substance in if the temperature of a substance is between its melting point and its boiling point?

a)

solid

b)

liquid

c)

gas

d)

plasma

34.

When a cold glass of water forms tiny droplets on the outside of the glass what is happening?

a)

oxygen gas condensed on the cold glass

b)

water vapor condensed on the cold glass

c)

water leaked out of the glass

d)

water vapor evaporated onto the glass

35.

What happens to a substance when it changes from a liquid to a solid?

a)

it gains mass

b)

it gains energy

c)

it loses mass

d)

it loses energy

36.

In order to turn oxygen gas into a liquid, it must be...

a)

turned into a solid first

b)

cooled down

c)

heated up

d)

mixed with water

37.

What happens to water when its molecules slow down and move closer together?

a)

It separates into hydrogen and oxygen

b)

it turns into liquid nitrogen

c)

it turns into water vapor

d)

it turns into ice

38.

Describe what happens to a substance when it reaches its boiling point

a)

the molecules gain energy and break apart to form a gas

b)

the molecules lose energy and move closer together

c)

the molecules spread out and form a liquid

39.

When molecules increase in speed, what is also true?

a)

The substance will become a solid

b)

the temperature of the substance will rise

c)

the molecules will gain mass

d)

the temperature of the substance will fall

40.

The molecules in a liquid have..

a)

the most kinetic energy of the 3 states

b)

the least kinetic energy of the 3 states

c)

an intermediate amount of energy of the 3 states

41.

When ice is melting we can say that it is..

a)

losing energy

b)

gaining energy

42.

The molecules in a solid are..

a)

far apart and moving fast

b)

loosely sliding past each other

c)

closest together and vibrating in place

43.

When you add thermal energy to water what happens to the molecules?

a)

They speed up

b)

They slow down

c)

They don't change

44.

Celeste left her cup of tea on the counter. The tea is 140 degrees. The room is 72 degrees. Will the tea lose or gain energy sitting out?

a)

gain energy

b)

lose energy

45.

The total kinetic energy of the molecules of a substance is____

a)

temperature

b)

heat

c)

thermal energy

46.

Which states are present in a glass of ice water?

a)

solid and liquid only

b)

gas and liquid only

c)

solid, liquid and gas

47.

Adding heat energy to a substance causes the molecules to..

a)

speed up

b)

slow down

c)

stay the same

48.

If an ice cube melts and then evaporates, which is true.

a)

The kinetic energy is decreasing

b)

The kinetic energy is increasing

49.

Solids have...

a)

a fixed shape and a fixed volume

b)

a fixed shape but can change volume

c)

No fixed shape but a fixed volume

d)

no fixed shape or volume

50.

For what reason do liquids flow so easily?

Because the particles.....

a)

are so tightly compacted to one another.

b)

can slide past one another.

c)

vibrate with one another.

d)

are so far apart from one another.

51.
If a balloon is cooled what will happen to the volume?
a)
Volume will increase
b)
Volume will decrease
c)
Volume will not change
52.

The flow of thermal energy from a warmer object to a cooler object is

a)

kinetic energy

b)

heat

c)

temperature

d)

thermal energy

53.

The average speed of the particles is

a)

thermal energy

b)

heat

c)

temperature

d)

hotness

54.

We can increase the pressure of a gas by:

a)

Not changing the temperature of the gas

b)

Decreasing the temperature of the gas

c)

Increasing the temperature of the gas

55.
True or False: Gases can be compressed. 
a)
True
b)
False
56.
Which container will have a lower pressure?
a)
left
b)
right
c)
they both have the same pressure
57.

We can increase the pressure of a gas by:

a)

Adding more gas.

b)

Reduce the volume of the container.

c)

Increase the temperature of the gas.

d)

None of the above answers.

58.

When changing a substance from liquid to gas, the energy has to...

a)

INCREASE

b)

DECREASE

59.

When changing a substance from liquid to solid, the energy has to...

a)

INCREASE

b)

DECREASE

60.

Look at the picture. Which state of matter is in beaker A?

a)

Solid

b)

Liquid

c)

Gas

61.

What is sublimation?

a)

When liquid turns in solid.

b)

When solid turns into gas.

c)

When gas turns into solid.

d)

When solid turns into liquid.

62.

Which of the following is not an example of matter?

a)

sunlight

b)

desk

c)

water

d)

pencil

63.

Which is a chemical property?

a)

Reactivity

b)

boiling point

c)

density

d)

conductivity

64.

Which is an example of a physical property?

a)

malleability

b)

rusting

c)

reactivity

d)

flammability

65.

What determines the properties of a substance?

a)

the type of atoms within it and their relative proportions

b)

the type of energy within it and its relative proportions

c)

the number of atoms added up

d)

the amount of energy added up

66.

Boiling point is a

a)

Physical property

b)

Chemical property

c)

Real property

d)

Fake property

67.

Flammability is a

a)

Chemical property

b)

Physical property

c)

Real property

d)

Fake property

68.

Why is cutting paper considered a physical change?

a)

The paper is no longer paper once it is cut

b)

The paper is still paper after it is cut

c)

The paper becomes a different substance after it is cut

69.

A property that can be observed WITHOUT changing the chemical composition of an object

a)

chemical property

b)

physical property

70.

A property that can only be observed when a substance reacts or does not react with another substance

a)

chemical property

b)

physical property

71.

Which of the following is true?

a)

A physical property can only be seen.

b)

A physical property describes how matter can change when exposed to air.

c)

A physical property is something that can be observed about the substance by itself.

d)

A physical property can only be observed when two types of matter interact.

72.

Is the ability of glass to break a chemical or physical property?

a)
chemical
b)
physical
73.

The way something looks, feels, smells, and tastes are physical properties.

a)

True

b)

False

74.

The ability of substance to dissolve into another substance is called

a)

magnetism

b)

malleability

c)

solubility

d)

appearance

75.

The raw materials of a chemical reaction. Located on the left side of a chemical equation.

a)

water

b)

energy

c)

resources

d)

reactants

76.

The 'outputs' of a chemical reaction. Located on the right side of a chemical equation.

a)

products

b)

produce

c)

consumers

d)

detritis

77.

Small openings on the underside of a leaf through which oxygen and carbon dioxide can move. Where gas exchange occurs in a plant.

a)

nodules

b)

stomata

c)

chloroplasts

d)

chlorophyll

78.

Location inside of a plant cell where the process of photosynthesis occurs.

a)

nodules

b)

stomata

c)

chloroplasts

d)

chlorophyll

79.

Pigment which 'fills' chloroplast. This pigment absorbs sunlight.

a)

nodules

b)

stomata

c)

chlorine

d)

chlorophyll

80.

A simple sugar that is an important energy source in living organisms

a)

stevia

b)

fructose

c)

glucose

d)

glycerin

81.

A process plants use to turn sunlight into food: Conversion of light energy from the sun into chemical energy (stored in glucose).

a)

toxoplasmosis

b)

photosynthesis

c)

aqua-synthesis

d)

homeosynthesis

82.

A gas that plants release during photosynthesis

a)

oxygen

b)

methane

c)

propane

d)

carbon dioxide

83.

A gas that plants take in through small holes in their leaves for the process of photosynthesis.

a)

oxygen

b)

methane

c)

propane

d)

carbon dioxide

84.

A product in photosynthesis

a)

CO2

b)

O2

c)

H2O

d)

heat

85.

A reactant in Photosynthesis

a)

PB

b)

NACL

c)

H20

d)

CO2

86.

glucose, also known as sugar

a)

ARETMIS1

b)

fructose

c)

C6H12O6

d)

C3POR2D2

87.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
88.

What is the Law of Conservation of mass?

a)

Mass is created in a chemical reaction

b)

Mass is created in a physical change

c)

New chemicals formed from a chemical reaction have a larger overall mass than the original reactants

d)

Mass is never created or destroyed. The amount of mass stays the same before and after the reaction

89.

Select all that are products of Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

90.

The main purpose for the process cellular respiration is ATP.

a)

true

b)

false

91.

What are the products of cellular respiration? Choose 3.

a)

water

b)

ATP

c)

Oxygen

d)

Sunlight

e)

Carbon Dioxide

92.

Which organ in a cell produces a large amount of ATP through cellular respiration?

a)

chloroplast

b)

mitochondrion

c)

nucleus

d)

ribosome

93.

During cellular respiration, energy is released from food. What else does the cell need for this process to take place.

a)

carbon dioxide

b)

oxygen

c)

sunlight

d)

nitrogen

94.

What is the equation for aerobic cellular respiration?

a)
C6H12O6 + 6O2 --> --> --> 6CO2 + 6H2O
b)
C6H12O6 + 6CO2 --> --> --> 6O2 + 6H2O
c)
6 CO2 + 6H2O --> --> --> 6O2 + C6H12O6
95.

Which of the following are Non-Renewable energy resources? (Check all that apply.)

a)

coal

b)

wind

c)

solar

d)

nuclear

96.

One advantage of solar and wind power over fossil fuels is that

a)

wind and solar are presently much less expensive than fossil fuels.

b)

wind and solar come from natural processes and fossil fuels do not.

c)

wind and solar are nonrenewable resources and fossil fuel are renewable.

d)

wind and solar are continuously renewable and fossil fuels take millions of years to be formed.

97.

Renewable or Nonrenewable: Oil

a)

Nonrenewable

b)

Renewable

98.

Renewable or Nonrenewable: Sunlight

a)

Renewable

b)

Nonrenewable

99.

Renewable or Nonrenewable: Wind

a)

Renewable

b)

Nonrenewable

100.

This is electrical energy that comes from the force of energy of moving water. It is the most widely used type of renewable energy.

a)

Coal

b)

Hydroelectric Power

c)

Wind Energy

d)

Geothermal Energy

101.

This is the energy generated in the Earth's core and produces steam and hot water.

a)

Solar Energy

b)

Hydroelectric Power

c)

Fossil Fuels

d)

Geothermal

102.

In an endothermic reaction, heat is ...

a)

taken in

b)

given out

103.
In an exothermic reaction, heat is ...
a)
taken in
b)
given out
104.

6. Which of these processes is always exothermic?

a)

A. evaporation

b)

B. burning

c)

C. insulation

d)

D. melting

105.
If a chemical reaction is EXOTHERMIC, the temperature would....
a)
Stay the same
b)
Increase
c)
Decrease
106.
During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______. 
a)
Warm
b)
Cold
107.
Baking bread and cooking an egg are examples of....?
a)
Endothermic processes
b)
Exothermic processess
c)
None of these 
108.
What type of reaction is shown in the photo?
a)
Exothermic
b)
Isothermic
c)
Endothermic
d)
None of the  above
109.
Is photosenthysis an Exothermic or an Endothermic reaction?
a)
Endothermic
b)
Exothermic
110.

What type of reaction occurs in a hand warmer?

a)

exothermic

b)

endothermic

111.

O2(g) + 2 H2 (g) → 2 H2O (g) + EnergyO_2\left(g\right)\ +\ 2\ H_2\ \left(g\right)\ \rightarrow\ 2\ H_2O\ \left(g\right)\ +\ Energy  

a)

endothermic

b)

exothermic

112.

6 CO2+ 6 H2O + Energy → C6H12O6 + 6 O26\ CO_2+\ 6\ H_2O\ +\ Energy\ \rightarrow\ C_6H_{12}O_6\ +\ 6\ O_2

a)

endothermic reaction

b)

exothermic reaction

113.

A melting ice cube is an example of

a)

exothermic

b)

endothermic

c)

none

d)

both

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