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Worksheets

Unit 2: Quizizz Review

Total questions: 72

Worksheet time: 40mins

Name
Class
Date
1.
What atoms make up all carbohydrates?
a)
Carbon, Sulfur, Hydrogen
b)
Carbon, Oxygen, Phosphorus
c)
Carbon, Oxygen, Nitrogen
d)
Carbon, Oxygen, Hydrogen
2.

Proteins are made out of

a)

Amino acids

b)

Glucose

c)

Fatty acid

d)

Starches

3.
Which macromolecule is used for short term energy?
a)
Proteins
b)
Carbohydrates
c)
Nucleic Acids
d)
Lipids
4.

______ form when two or more different elements combine chemically

a)

compounds

b)

elements

c)

atoms

d)

periodic tables

5.

Which of the following chemical formulas represents a compound?

a)

C

b)

O2

c)

CH3CHO

d)

H2

6.
Which statement best describes an element?
a)
made from mixture 
b)
thousands in the world
c)
pure, made of only one atom
d)
can be separated 
7.

Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –

a)

a gas at room temperature.

b)

made of two or more different elements.

c)

given off by green plants.

8.

What is the term for combining 2 or more SAME or DIFFERENT elements together?

a)

atoms

b)

elements

c)

molecules

d)

compounds

9.

The new substances that are made after a chemical equation are the

a)

Products

b)

Reactants

c)

Starters

d)

Enders

10.

In a chemical reaction, ________________________ are changed into _______________________.

a)

Reactants; Products

b)

Electrons; Molecules/Compounds

c)

Coefficients; Subscripts

d)

Original Elements; New Elements

11.
DNA and RNA are examples of 
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
12.
Waxes, oils and fats are examples of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
13.
What is the function of nucleic acids?
a)

store genetic information (instructions to make proteins)

b)
store energy (long-term)
c)
store energy (short-term)
d)
build skin, hair, nails, muscles
14.
Which of the following organic compounds is the main source of energy for living things?
a)
carbohydrates
b)
lipids
c)
nucleic acids
d)
proteins
15.
Which macromolecule stores energy, insulates us, and makes up the cell membrane?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
16.

Starch is...

a)

nucleic acid

b)

a carbohydrate

c)

a protein

d)

a lipid

17.

Water is necessary to...

a)

give cells/systems energy.

b)

build cell parts.

c)

give cells/systems long term energy storage.

d)

help cells with chemical processes.

18.

Which of the following is an example of COHESION?

a)

water sticking to water

b)

water sticking to glass

c)

oil sticking to plastic

d)

hydrogen sticking to oxygen

19.

Which of the following is the CORRECT list of water's properties?

Read Carefully!

a)

adhesion, cohesion, high specific heat, universal solvent

b)

adhesion, cohesion, low specific heat, universal solvent

c)

adhesion, no cohesion, low specific heat, universal solute

d)

no adhesion, cohesion, high specific heat, universal solute

20.

Water sticks well to many materials. What term relates to this property of water?

a)

cohesion

b)

adhesion

c)

density

d)

surface tension

21.
The tightness across the surface of water that enables paper clips to float is ____________.
a)
adhesion
b)
capillary action
c)
surface tension
d)
polarity
22.
Water makes up approximately 60% of the human body and plays a vital role in regulating body temperature. Which property of water makes it good at regulating temperature?
a)
Water is a good solvent.
b)
Water exhibits strong cohesion.
c)
. Water has an unusual crystalline structure.
d)
Water has a high capacity for heat.
23.
A producer?
a)
Eats other plants and animals
b)
Makes its own food
c)
Eats dead plants or animals
d)
Makes toys for kids
24.
A decomposer?
a)
Eats dead plants or animals and breaks down to put nutrients in the soil
b)
Eats plants or other animals for food
c)
Makes its own food
d)
Machine that gathers trash
25.
Fungi. Is it a...
a)
Producer
b)
Consumer
c)
Decomposer
26.
Pine Tree. Is it a...
a)
Producer
b)
Consumer
c)
Decomposer
27.
Frog. Is it a....
a)
Producer
b)
Conusmer
c)
Decomposer
28.

A consumer that eats both plants and animals

a)

herbivore

b)

carnivore

c)

omnivore

29.

An organism that eats only plants

a)

omnivore

b)

carnivore

c)

herbivore

d)

detriovore

30.
Lions only eat buffalo, antelopes, zebras and crocodiles. They are called __________.
a)
Omnivore
b)
Herbivore
c)
Carnivore
d)
Delivore
31.

Which of the following refers to a community of living organisms and the way they interact with nonliving parts of their environment?

a)

trophic

b)

biome

c)

habitat

d)

ecosystem

32.
A food web is composed of many...
a)
food webs
b)
food chains
c)
fast-food chains
d)
bike chains
33.
A group of organisms of the same species living in the same area are called a/an ________.
a)
community
b)
habitat
c)
population
d)
ecosystem
34.

Barnacles are animals that cannot move. In order to get food, they attach to whales and catch any floating plankton in the water. The whale is neither helped nor harmed in the interaction. What type of symbiosis is this?

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Neutralism

35.

In the wild, some alligators gets their teeth cleaned by birds. The birds gets their food from the alligators' teeth.

What type of symbiosis is this?

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Neutralism

36.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
37.

A tick and a dog have this type of relationship. One benefits and one is harmed.

a)
mutualism
b)
commensalism
c)
neutralism
d)
parasitism
38.

A relationship that occurs when two or more organisms of the same species need the same resource at the same time.

a)
competition
b)
symbiosis
c)
predation
39.

A lion chases, catches, kills and eats a zebra.

What is the LION?

a)

producer

b)

prey

c)

predator

40.

A cheetah catches, kills and eats a gazelle.

What is the GAZELLE?

a)

decomposer

b)

predator

c)

prey

d)

parasite

41.

The main source of energy for all living things:

a)

moonlight

b)

nuclear

c)

sunlight

d)

producers

42.

Sunlight provides what type of energy?

a)

chemical energy

b)

thermal energy

c)

radiant energy

43.

The reactants to photosynthesis are...

a)

glucose and oxygen

b)

sunlight, carbon dioxide and water

44.

The products of photosynthesis are...

a)

glucose and oxygen

b)

carbon dioxide and water

45.

The process of photosynthesis transforms _______ energy to _______ energy

a)

radiant : thermal

b)

thermal : chemical

c)

radiant : chemical

d)

chemical : radiant

46.

Glucose is a type of _______________.

a)

Dairy Product

b)

Protein

c)

Salt

d)

Sugar

47.

What is photosynthesis?

a)

The process in which humans eat their food

b)

When a photographer takes a photo.

c)

The process in which plants make their food.

d)

To get your pictures from the photo lab.

48.
Snow, sleet, hail, and rain are all examples of  ________________. 
a)
evaporation
b)
condensation
c)
accumulation
d)
precipitation
49.
What is the process during which water changes from a liquid to a gas as it heats up?
a)
Condensation
b)
Runoff
c)
Precipitation
d)
Evaporation
50.
What part of the water cycle does this picture show?
a)
condensation
b)
precipitation
c)
evaporation
51.

What are pollutants?

a)

Harmful materials introduced into the environment

b)

Natural resources like water and air

52.

It is a material produced naturally or artificially that harms the environment.

a)

agent

b)

pollutant

c)

trash

d)

toxic chemical

53.

Which of the following processes removes (takes out) CO2 from the atmosphere.

a)

burning fossil fuels

b)

photosynthesis

c)

cellular respiration

d)

decomposition

54.

Organisms return (give off) carbon to the atmosphere through which process?

a)

decomposition

b)

photosynthesis

c)

cellular respiration

d)

atmosphere

55.
What term best describes all the plants and animals in this image?
a)
Species
b)
Population
c)
Ecosystem
d)
Community
56.
The ___________ is all the area on and around earth where living things exist.
a)
Biome
b)
Biosphere
c)
Ecosystem
d)
Ecosphere
57.

What are the levels of ecology from smallest to the largest?

a)

organism, population, community, ecosystem, biosphere

b)

organism, community, population, ecosystem, biosphere

c)

individual, population, community, ecosystem, exosphere.

d)

individual, community, population, ecosystem, exosphere

58.
In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?
a)
10%
b)
20%
c)
80%
d)
90%
59.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
60.
In an energy pyramid, energy_______ as you move up the pyramid.
a)
Increases
b)
Decreases
c)
Stays the same
d)
Changes up and down
61.

Which biome is the driest? It receives less than 10 inches of rain a year.

a)

desert

b)

grassland

c)

deciduous forest

d)

tropical rain forest

62.

In which biome would you find permafrost? This is the layer of soil that is frozen all the time.

a)

coniferous forest (taiga)

b)

desert

c)

tundra

d)

grassland

63.

Which biome has the greatest amount of biodiversity? (the most different kinds of organisms)

a)

tundra

b)

grassland

c)

desert

d)

tropical rain forest

64.

Which biome has trees that lose their leaves in the fall and regrow them in the spring?

a)

deciduous forest

b)

coniferous forest (taiga)

c)

tropical rain forest

d)

desert

65.

Which biome has conifer trees or evergreens? These trees have needles that are coated in a waxy substance and drop cones.

a)

deciduous forest

b)

desert

c)

coniferous forest (taiga)

d)

tropical rain forest

66.

Which biome is found around the equator where it is warm all year long?

a)

tundra

b)

tropical rain forest

c)

grassland

d)

coniferous forest (taiga)

67.
What is the main factor that separates the biomes?
a)
Land
b)
Water
c)
Climate
d)
Longitude
68.
Which biome has wide-open fields of grass?
a)
Taiga
b)
Grasslands
c)
Temperate Forest
d)
Rainforest
69.
A biome is......
a)
Like a snowglobe that you shake and can see different types of animals.
b)
A large region of earth with a certain type of climate
c)
An area of earth only found in the United States.
d)
A community of living things.
70.

Without the greenhouse effect, Earth's atmosphere would be __________ to support life.

a)

too hot

b)

too wet

c)

too dry

d)

too cold

71.

What is the definition of climate?

a)

The condition of the air around the Earth

b)

The rainforest

c)

The pattern of weather over time

d)

How hot it is in a certain place

72.
The weather is...
a)
The typical state of the atmosphere in a long period of time.
b)
The state of the atmosphere at a particular time.