wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

PMA 3 Review Quiz-Science

Total questions: 65

Worksheet time: 59mins

Name
Class
Date
1.

What is weather?

a)

the amount of moisture in the air?

b)

The number of clouds in the sky

c)

the speed of the wind

d)

The states of the atmosphere at any particular time.

2.

Why is the temperature lower at night than during the day?

a)

There are more clouds at night to block the sun's rays

b)

Winds blow harder at night

c)

The temperature depends on energy from the sun

d)

There is less water in the air at night

3.

Which of the devices measures air pressure?

a)

Thermometer

b)

Wind vane

c)

satellite

d)

Barometer

4.

If it's a hot day outside, what can you conclude?

a)

There are a lot of clouds in the sky

b)

the air can hold a lot of moisture

c)

The wind is blowing extremely fast

d)

The air can hold very little moisture

5.

Why does it tend to be cool at the Earth's poles?

a)

They are farthest

b)

They have high absolute humidity

c)

They have the worst weather

d)

sunlight strikes them at extreme angles

6.

What are the characteristics of high-pressure system?

a)

windy and rain

b)

humidity and thunder

c)

extremely hot temperatures

d)

clear skies and sun

7.

If the air is only holding one-third as much moisture as it can possibly hold, what is relative humidity?

a)

25%

b)

50%

c)

33%

d)

67%

8.

What will happen if the relative humidity is 100%, and the temperatures begins falling?

a)

it will start to rain

b)

the air will be sticky and uncomfortable

c)

the temperature will rise

d)

the barometric pressure will rise

9.

Over the past 30 years, the average temperature in a city during the month of March was 66.5 F. Temperatures in 2020 show the average temperature in March was 71.0 F. What conclusion can be made about this change?

a)

the climate has changed

b)

the weather has changed

c)

the climate and weather have changed

d)

the climate has changed but not the weather

10.

Georgette was texting her friend Sally about the temperature where she lived. Georgette stated that the temperature was often hot in Miami. What was she describing in her text?

a)

climate because it is weather over a long period of time.

b)

climate because it is the condition at a particular time and place.

c)

weather because it is determined by the temperature, precipitation or time.

d)

weather because it is the condition of Earth’s atmosphere at a particular time and place.

11.

This molecule is a set of instructions that specifies an organisms traits.

a)

DNA

b)

RNA

c)

ATP

d)

Protein

12.

DNA coils tightly into structures called chromosomes, what are located on the chromosomes?

a)

mitochodria

b)

cellular respiration

c)

genes

d)

chromosomes

13.

Genes influence traits such as eye color, different types of eye color such as brown, green or blue are known as?

a)

genotype

b)

phenotype

c)

karyotype

d)

blood type

14.

What is the genotype Gg

a)

homozygous recessive

b)

heterozygous dominant

c)

homozygous dominant

d)

recessive

15.

The genotype GG is known as?

a)

homozygous

recessive

b)

heterozygous

dominant

c)

recessive

d)

homozygous

dominant

16.

If there are purple pea plants and green pea plants the different colors of the peas are examples of?

a)

genotypes

b)

phenotypes

c)

karyotypes

d)

proteins

17.

If you cross a heterozygous dominant with homozygous dominant what percentage will be GG?

a)

25%

b)

75%

c)

50%

d)

100%

18.

If you cross a Hh with HH what percentage is homozygous dominant?

a)

25%

b)

50%

c)

75%

d)

100%

19.

What percentage will of a cross between two heterozygous dominants will be homozygous recessive?

a)

25%

b)

50%

c)

75%

d)

100%

20.

Mitosis is a process where cells undergo phases to make an exact copy of themselves. Which type of reproduction is this?

a)

asexual

b)

sexual

c)

binary fission

d)

budding

21.

How many cells are created by asexual reproduction?

a)

1 cell

b)

2 cells

c)

3 cells

d)

4 cells

22.

Sexual reproduction creates cells that have how many chromosomes?

a)

100% or all

b)

50% of half

c)

25% or a quarter

d)

none

23.

Meiosis is a process by which the body creates cells with ________ the number of chromosomes.

a)

100% or all

b)

50% or half

c)

25% or a quarter

d)

none

24.

How many cells are created by the process of meiosis?

a)

1

b)

2

c)

3

d)

4

25.

What is the product of cellular respiration?

a)

water

b)

oxygen

c)

sugar

d)

ATP (energy)

26.

Where do plants get the MAJORITY of their carbon from?

a)

the soil

b)

the atmosphere

c)

sugar

d)

oxygen

27.

The carbon that is in our Soil that eventually becomes fossil fuels comes from what source?

a)

living organisms

b)

plant matter

c)

dead and decaying organisms

d)

bacteria

28.

What substances are cycled between cellular respiration and photosynthesis?

a)

Oxygen and Carbon Dioxide

b)

Oxygen, Carbon, Nitrogen

c)

Oxygen, Carbon and Water

d)

Oxygen, Nitrogen and Water.

29.

What might happen to the Carbon cycle if dead and decaying organisms are not broken down by bacteria and decomposers.

a)

bacteria would begin fixing carbon and adding it to the soil

b)

carbon would not be recycled and it would not be added to the soil,

c)

more carbon would be available for the Carbon cycle

d)

other sources of carbon would be found to continue the cycle

30.

Which organelle is the site of cellular respiration?

a)

endoplasmic reticulum

b)

chloroplasts

c)

mitochondria

d)

ribosomes

31.

Which green colored molecule is used to capture light energy for photosynthesis?

a)

sugar

b)

chlorophyll

c)

carbon dioxide

d)

sodium

32.

What is the product of cellular respiration?

a)

ATP (energy)

b)

oxygen

c)

carbon dioxide

d)

water

33.

Where does the energy come from to drive this process?

a)

water

b)

Sun

c)

carbon dioxide

d)

sugar

34.

What process takes place here?

a)

cellular respiration

b)

photosynthesis

c)

nitrification

d)

carbon fixing

35.

This organelle is the site of which process?

a)

photosynthesis

b)

nitrification

c)

cellular respiration

d)

carbon fixing

36.
A 500-gram block of solid cheese is melted in a pot. Which is most likely the mass of the cheese after it is melted?
a)
500 grams, because the cheese does not gain or lose mass just because it was melted
b)
499 grams, because some of the cheese evaporates as it melts
c)
502 grams, because the cheese absorbs heat as it melts
37.
A student notices that an inflated balloon gets larger when it is warmed by a lamp. Which best describes the mass of the balloon as a result of this change?
a)
The mass of the balloon increases because the size of the balloon has increased.
b)
The mass of the balloon increases because the temperature of the balloon has increased.
c)
The mass of the balloon stays the same because the gas inside the balloon still has the same mass after it warms up.
38.
Jamie weighs a glass of water and observes its weight to be 12 ounces. Jamie then adds 6 ice cubes to the glass of water. Each ice cube weighs one ounce. After all of the ice cubes have melted, what will be theapproximate weight of the glass of water?
a)
b)
12 
c)
18 ounces
39.
A 55-gram egg is placed in a pot. After the egg is boiled, which is most likely the mass of the egg?
a)
50 
b)
55 
40.

In a reaction A + B ----> C, reactant A has 5g and product C has 9g. How many grams does reactant B have?

a)

4g

b)

5g

c)

9g

d)

14g

41.
If reaction starts with 20g of reactants it should produce 
a)
a total of 40g of products
b)
a total of 10g of products
c)
a total of 80 g of products
d)
a total of 20g of products
42.
What will weigh more when a chemical change is complete?  The reactants before the chemical reaction, or the product after the reaction is complete?
a)
They both will weigh the same
b)
The product always weighs more than the reactant
c)
The reactant will weigh more than the product
d)
They both will loose mass after the reaction
43.
If a reaction starts with a total 75g of reactants it should produce 
a)
a total of 40g of products
b)
a total of 75g of products
c)
a total of 180 g of products
d)
None of the above
44.
In the reaction AB-----> A + B reactant AB has 12g and product B has 5g. How many grams should product A have?
a)
17g
b)
2g
c)
7g
d)
None of the above
45.
12g of Carbon react with 16g of Oxygen, how much carbon monoxide (CO) is formed? 
a)
28 g
b)
4g
c)
30g
d)
12g
46.
24 g of magnesium reacts with 38 g of fluorine to produce _____ g magnesium fluoride
a)
62 
b)
38
c)
24
d)
14
47.

32 g of Oxygen completely reacts with 8 g of Hydrogen to produce _____ g Water

a)

8

b)

12

c)

24

d)

40

48.

4 grams of hydrogen and 32 grams of oxygen will combine to form:

a)

36 grams of water

b)

28 grams of hydroxide

c)

32 grams of oxygen

d)

36 grams of deuterium

49.

In a chemical reaction, 4 grams of sodium must combine with how many grams of chlorine to produce 10 grams of table salt?

a)

4 grams

b)

6 grams

c)

8 grams

d)

10 grams

50.

Why does this picture demonstrate the Law of Conservation of Mass?

a)

the number of atoms of each element are the same on both sides

b)

they start out separate and end up combined

c)

the same elements are used

d)

it doesn't demonstrate the Law of Conservation of Mass

51.

When a log is burned, what happens to the wood?

a)

The mass stays the same, but becomes smoke and ash.

b)

It disappears.

c)

The mass changes as it goes away.

d)

Nothing. You're imagining things.

52.

Earth is divided into five different spheres. Which statement is true about the interaction between two of these spheres?

a)

Weather is an interaction between the hydrosphere and the geosphere.

b)

A plant receiving water from precipitation is an interaction between the biosphere and the hydrosphere.

c)

An ice cap providing shelter for an arctic animal is an interaction between the biosphere and the hydrosphere.

d)

The formation of the Grand Canyon is an example of an interaction between the geosphere and the atmosphere.

53.

Which of these is NOT a function of Earth’s atmosphere?

a)

insulating the planet to keep it warm

b)

protecting Earth from harmful radiation

c)

allowing water to evaporate into space

d)

storing oxygen for living things to breathe

54.

The air in the atmosphere is a poor conductor of energy. Which of the following incorrectly describes how the atmosphere is affected by conduction?

a)

Most of the energy transfer by conduction occurs right at Earth’s surface.

b)

At night, the ground cools and conducts heat away from the air close to the ground.

c)

Air molecules in the atmosphere are heated which causes the atmosphere to vibrate.

d)

During the day, solar radiation heats the ground, which heats the air close to the ground.

55.

Which layer of the atmosphere is correctly paired with its characteristics?

a)

The stratosphere is the layer of the atmosphere that contains ozone that protects living things from ultraviolet radiation.

b)

The mesosphere is the layer of the atmosphere in which thin, feathery clouds of ice form due to its cold temperatures.

c)

The thermosphere is the layer of the atmosphere that has no definite outer limit and protects the surface from being hit by meteoroids.

d)

The troposphere is the layer of the atmosphere that contains the ionosphere where weather occurs.

56.

The Sun heats the atmosphere of Earth unevenly. Which of the following statements is the most likely result of this uneven heating?

a)

Convection in the atmosphere causes a change in air density, resulting in winds.

b)

Conduction through the atmosphere causes evaporation to occur over oceans, resulting in rain.

c)

Radiation from the Sun reflects through the atmosphere back into space resulting in cooler evenings.

d)

Radiation from the Sun causes atmospheric moisture to collect over mountain ranges resulting in snowfall.

57.

Where do we see radiation in a pot of boiling water on the stove?

a)

The water heats up by touching the hot, metal pot.

b)

The steam from the hot water rises out of the pot.

c)

The heat from the fire can be felt on all sides.

58.

Where do we see convection in a pot of boiling water on the stove?

a)

The water heats up by touching the hot, metal pot.

b)

The steam from the hot water rises out of the pot.

c)

The heat from the fire can be felt on all sides.

59.

Where do we see conduction in a pot of boiling water on the stove?

a)

The water heats up by touching the hot, metal pot.

b)

The steam from the hot water rises out of the pot.

c)

The heat from the fire can be felt on all sides.

60.

Which of the following is NOT a layer of the atmosphere?

a)

Troposphere

b)

Mesosphere

c)

Biosphere

d)

Stratosphere

61.

Which layer of the atmosphere do we live in?

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Exosphere

62.

What do the geosphere and the hydrosphere have in common?

a)

They both include water.

b)

They both only include non-living things.

c)

They both are man-made.

d)

None of these are correct

63.
What causes wind to blow?
a)
Differences in longitude 
b)
Shock waves from clouds 
c)
Differences in air temperature and pressure 
d)
The rotation of the earth
64.

What kind of breeze is this and when would it form?

a)

Land breeze - daytime

b)

Land breeze - nighttime

c)

Sea breeze - daytime

d)

Sea breeze - nighttime

65.

Why do land breezes occur at night?

a)

Land cools off slower than water, so the air above water is cooler.

b)

Water cools off faster than land, so the air above land is warmer.

c)

Land heats up slower than water, so the air stays cooler during the day.

d)

Water cools off slower than land, so the air above water is warmer.