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Exploring Energy and Matter

Total questions: 95

Worksheet time: 2hrs 32mins

Name
Class
Date
1.

What is energy transfer in an ecosystem?

a)

Energy transfer is the conversion of energy into heat.

b)

Energy transfer in an ecosystem refers to the movement of energy through trophic levels, from producers to consumers and decomposers.

c)

Energy transfer occurs only in aquatic ecosystems.

d)

Energy transfer is the process of photosynthesis in plants.

2.

Name one way energy is transformed in nature.

a)

Nuclear fission

b)

Respiration

c)

Combustion

d)

Photosynthesis

3.

What are the three main states of matter?

a)

solid, liquid, plasma

b)

plasma, vapor, foam

c)

solid, liquid, gas

d)

gas, liquid, crystal

4.

How does energy conservation work in ecosystems?

a)

Energy conservation in ecosystems means energy is created and not lost.

b)

Energy is only transferred from consumers to producers in ecosystems.

c)

Energy conservation in ecosystems has no impact on food chains.

d)

Energy conservation in ecosystems involves the transfer of energy from producers to consumers, with energy loss at each trophic level.

5.

What happens to the energy when ice melts?

a)

The energy is released as cold, causing the ice to freeze further.

b)

The energy remains constant, with no change in temperature.

c)

The energy is converted into light, illuminating the surroundings.

d)

The energy is absorbed as heat, facilitating the phase change from solid to liquid.

6.

What is an example of kinetic energy?

a)

A parked bicycle

b)

A moving car

c)

A frozen lake

d)

A stationary rock

7.

How does temperature affect the state of matter?

a)

Temperature only affects gases, not liquids or solids.

b)

Temperature has no effect on the state of matter.

c)

Higher temperatures always lead to solid states.

d)

Temperature influences the state of matter by changing the energy and movement of particles, leading to phase transitions.

8.

What is potential energy?

a)

Potential energy is the energy stored in an object due to its position or state.

b)

Potential energy is the energy of an object in motion.

c)

Potential energy is the energy released during a chemical reaction.

d)

Kinetic energy is the energy of motion.

9.

List one renewable energy source and its use.

a)

Wind energy

b)

Geothermal energy

c)

Hydropower

d)

Solar energy

10.

What is the role of producers in an energy ecosystem?

a)

Producers are primarily responsible for decomposing organic matter.

b)

Producers rely on other organisms for energy and nutrients.

c)

Producers consume chemical energy from other organisms.

d)

Producers convert sunlight into chemical energy, forming the base of the food chain and supporting all other organisms.

11.

How does energy flow through a food chain?

a)

Energy is lost only at the producer level.

b)

Energy is constant at all trophic levels.

c)

Energy flows from producers to consumers in a food chain, with energy loss at each trophic level.

d)

Energy flows only from consumers to producers.

12.

What happens to the energy in a chemical reaction?

a)

Energy is created from nothing in a chemical reaction.

b)

Energy remains constant and does not change during a reaction.

c)

Energy is only released and never absorbed in a chemical reaction.

d)

Energy is absorbed or released during a chemical reaction.

13.

What state of matter has a definite shape and volume?

a)

Gas

b)

Plasma

c)

Solid

d)

Liquid

14.

How does solar energy impact the environment?

a)

The production of solar panels has no environmental impact.

b)

Solar energy increases greenhouse gas emissions significantly.

c)

Solar energy has a positive impact by reducing pollution and greenhouse gas emissions, but it can have negative effects during production and disposal of solar panels.

d)

Solar energy contributes to deforestation and habitat loss.

15.

What is the difference between thermal energy and heat?

a)

Thermal energy is the total energy of particles, whereas heat is the transfer of that energy.

b)

Thermal energy is only related to temperature.

c)

Heat is the total energy of particles.

d)

Thermal energy is the same as heat.

16.
What are the three states of matter?
a)
solid, volume, mass
b)
density, volume, mass
c)
solid, liquid, gas
d)
density, gas, volume
17.
Something that takes up space and has mass.
a)
volume
b)
matter
c)
mass
d)
density
18.
A state of matter that has a definite volume and shape.
a)
solid
b)
liquid
c)
gas
d)
matter
19.
A measure of how much mass is contained in a given unit of volume.
a)
mass
b)
density
c)
volume
d)
matter
20.
The amount of space something takes up
a)
density
b)
volume
c)
mass
d)
matter
21.
Shape is a ____ that helps identify an object.
a)
physical property
b)
chemical property
c)
mass
d)
matter
22.
Iron + oxygen = rust is an example of a ___________.
a)
physical property/change
b)
chemical property/change
c)
mass
d)
volume
23.
A watermelon has more matter than a grape, so it has more
a)
mass
b)
eat
c)
solid
d)
greater
24.
You can measure ______ with grams.
a)
mass
b)
volume
c)
conductivity
d)
melting point
25.
The ability of a metal to allow heat or electricity to pass through it.
a)
conductivity
b)
insulator
c)
mass
d)
density
26.

An example of a decomposer is ____________________.

a)

eagle

b)

grass

c)

frog

d)

mushroom

27.

An example of a producer is ____________________.

a)

cricket

b)

mushroom

c)

grass

d)

spider

28.

An example of a consumer is ____________________.

a)

fungi

b)

cricket

c)

flower

d)

mushroom

29.

All energy in ecosystems comes from _________________.

a)

the Earth

b)

the soil

c)

the rain

d)

the sun

30.

Which of the following choices is two consumers?

a)

grass and grasshopper

b)

rabbit and dog

c)

mushroom and wolf

d)

turtle and flower

31.

An example of a carnivore is a ____________________.

a)

giraffe

b)

pig

c)

tiger

d)

human

32.

What is the role of a producer?

a)

to eat consumers

b)

provide food for carnivores

c)

to make food for themselves and other organisms

d)

to make carbon dioxide & oxygen

33.

Which of the following statements best describes a decomposer?

a)

They are abiotic and only eat producers that are biotic.

b)

They are abiotic and eat both plants and animals.

c)

They are biotic and break down dead material.

d)

They consume other biotic things for energy.

34.

In an ecosystem, many birds depend on insects. If pesticide is spread to control the insect population, which of the following will most likely happen?

a)

The bird population will increase.

b)

The bird population will decrease.

c)

The bird population will increase then decrease.

d)

The bird population will decrease then increase.

35.

Animals that hunt other animals to eat are called

a)

prey

b)

omnivores

c)

predators

d)

herbivores

36.

A fly is trapped in a spider's web. Which term describes the fly in this situation?

a)

producer

b)

consumer

c)

predator

d)

prey

37.

A food chain shows the flow of

a)

animals

b)

water

c)

energy

d)

food

38.

The arrows in a food chain or food web represent

a)

the direction an organism moves

b)

the flow of energy

c)

the size of the organisms

d)

the weight of the organisms

39.

What is bacteria?

a)

decomposer

b)

herbivore

c)

carnivore

d)

consumer

40.

In a food web, which population would increase the most if insects were eliminated?

a)

decomposers

b)

producers

c)

primary comsumers

d)

secondary consumers

41.

If these organisms were arranged in a food pyramid, which organism would have the least amount of total energy available?

a)

shrub

b)

insect

c)

lizard

d)

coyote

42.

Use the food chain to answer the question. If the mouse population dies out, what will happen to the owl population.

a)

It will decrease because of the loss of their food source.

b)

It will increase because there will be more grasshoppers.

c)

It will decrease because they do the mouse.

d)

It will increase because of the loss of their food source.

43.

What is an omnivore?

a)

They only eat animals (meat).

b)

They only eat plants.

c)

They eat plants and animals.

d)

They eat only dead plants and animals.

44.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
45.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
46.
Energy transformations occur when...
a)
energy is created through conduction
b)
energy changes from one form to another
c)
two forces slide together that are touching
d)
a chemical reaction takes place
47.
The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —
a)
solar
b)
light
c)
thermal
d)
mechanical
48.
The purpose of the panels is to change solar energy into ____________.
a)
light energy
b)
electrical energy
c)
chemical energy
d)
mechanical energy
49.
A hairdryer converts -- 
a)
electrical energy into chemical
b)
electrical energy into thermal
c)
chemical energy into mechanical
d)
thermal energy into mechanical
50.
A group of students are studying the movement of thermal energy. The teacher asks the students to place the palms of their hands flat on their table tops and describe what is happening. Which statement below is the best description of what is happening? 
a)
The table feels cold because it is at a lower temperature than the students' hands, and thermal energy is being pulled into the table. 
b)
The table feels cold because it is at a lower temperature than the students' hands, and thermal energy is being pulled into the students' hands. 
c)
The table feels cold because it is solid, and solids hold thermal energy better than air. 
d)
The table feels cold because it is at a lower temperature than the air in the room. 
51.
Mechanical Energy is transferred to _____ Energy.
a)
Solar
b)
Mechanical
c)
Electrical
d)
Potential
52.
Electrical -> Mechanical -> Sound 
a)
A triple beam balance measuring an object’s mass
b)
A pencil sharpener plugged into a wall outlet
c)
A projector displaying a diagram on the screen
d)
A working flashlight used to light up a dark corner
53.
What energy is given off when a cell phone rings?
a)
Sound Energy
b)
Gravitational Energy
c)
Thermal Energy
d)
Nuclear Energy
54.
Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?
a)
Chemical to light
b)
Electrical to chemical
c)
Electrical to light
d)
Chemical to electrical
55.
Which of the following devices transforms electrical energy into mechanical energy?
a)
An e-reader
b)
a fan
c)
a manual pencil sharpener
d)
ipod
56.
What is produced during ALL energy transformations?
a)
Sound Energy
b)
Mechanical Energy
c)
Thermal Energy
d)
Chemical Energy
57.
Name the energy transformations taking place when I plug in my radio and it begins playing.
a)
Thermal to mechanical to electrical
b)
Radiant to chemical
c)
Electrical to sound
58.
What is Energy?
a)
The transfer energy when a force is applied over a distance.
b)
The ability to cause change or the ability to do work.
c)
The energy of an object has because of its motion.
59.
What is electrical energy?
a)
The energy that an electric current carries. When you plug something in, this energy flows.
b)
Energy carried in waves of vibrating matter. It cannot travel through empty space (it MUST have matter to travel)
c)
Energy stored in objects that are compressed or stretched like springs or rubber bands.
60.
What is sound energy?
a)
The energy that an electric current carries. When you plug something in, this energy flows.
b)
Energy carried in waves of vibrating matter. It cannot travel through empty space (it MUST have matter to travel)
c)
Energy stored in objects that are compressed or stretched like springs or rubber bands.
61.
What is thermal energy?
a)
Stored energy that is released when the nucleus of atoms are split apart or fused together.
b)
The energy due to an object's motion, position or condition. It is both kinetic and potential.
c)
The energy due to the movement of atoms or molecules that make up an object. This energy moves from warmer objects to colder objects.
d)
The energy from the sun carried by electromagnetic waves. It can move through empty space (no matter needed).
62.
What is mechanical energy?
a)
Stored energy that is released when the nucleus of atoms are split apart or fused together.
b)
The energy formed due to an object's motion, position or condition. It is both kinetic and potential.
c)
The energy due to the movement of atoms or molecules that make up an object. This energy moves from warmer objects to colder objects.
d)
The energy from the sun carried by electromagnetic waves. It can move through empty space (no matter needed).
63.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
64.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
65.

The main source of energy for all of earth's food chains is the...

a)

sun

b)

water

c)

nutrients

d)

producers

66.

Plants produce their own food through...

a)

symbiosis

b)

photosynthesis

c)

genetics

d)

magic

67.

All food chains begin with a...

a)

grass

b)

producer

c)

consumer

d)

decomposer

68.

The second link in a food chain is a...

a)

consumer

b)

producer

c)

herbivore

d)

carnivore

69.

A herbivore is a...

a)

consumer that eats both plants and other animals

b)

consumer that only eats other animals

c)

consumer that only eats plants

70.

A herbivore is also known as...

a)

primary consumer

b)

secondary consumer

c)

tertiary consumer

71.

The second consumer in the food chain is called...

a)

primary consumer

b)

secondary consumer

c)

tertiary consumer

72.

The secondary consumer is a carnivore which means...

a)

a consumer that eats both plants and other animals

b)

a consumer that eats only plants

c)

a consumer that eats only other animals

73.

The third consumer in the food chain is called...

a)

primary consumer

b)

secondary consumer

c)

tertiary consumer

74.

An omnivore is a...

a)

consumer that eats both plants and other animals

b)

consumer that eats only other animals

c)

consumer that eats only plants

75.

Animals that are not hunted and eaten by any animals are called...

a)

herbivores

b)

carnivores

c)

omnivores

d)

apex predators

76.

The level of apex predators in the food chain is...

a)

first

b)

second

c)

tertiary

d)

top

77.

Apex predators contribute to the food chain by...

a)

being eaten by other animals

b)

decomposers breaking down their bodies when they die

c)

producing their own food

78.

Examples of decomposers are...

a)

plants

b)

animals

c)

bacteria and fungi

79.

The level of humans in the food chain is...

a)

first

b)

second

c)

tertiary

d)

top

80.

The original source of energy for a food web is...

a)

plants

b)

sun

c)

producers

d)

decomposers

81.

Decomposers get energy from...

a)

the sun

b)

eating plants

c)

eating animals

d)

dead things and waste

82.

Producers are ...

a)

plants

b)

able to do photosynthesis

c)

also called autotrophs

d)

all of these are true

83.

Arrows in a food web represent...

a)

eating

b)

sunlight

c)

energy

d)

matter

84.

Photosynthesis is important because...

a)

it makes carbon dioxide

b)

it makes food for the food webs

c)

it makes water

d)

it's not important

85.

Who is the producer?

a)

lettuce

b)

greenfly

c)

ladybird

d)

thrush

86.

What is a producer?

a)

an organism that gets energy from eating other organisms

b)

an organisms that uses sunlight to make its own food

c)

an organism that gets energy from eating dead organisms, non-living material or waste

87.

An animal that hunts other animals for food is a ___________

a)

herbivore

b)

predator

c)

prey

d)

omnivore

88.

What is a herbivore?

a)

an animal that gets energy from eating other animals

b)

an organism that gets energy from eating only plants

c)

an animal that gets energy by eating both plants and other animals

89.

An organism that gets energy from eating other organisms is a ______________

a)

producer

b)

consumer

c)

decomposer

90.

A connection of food chains with many food energy paths in an ecosystem is a ____________

a)

ecosystem

b)

food web

c)

environment

91.

An animal that is hunted and eaten for food is a

a)

predator

b)

prey

92.

What is a carnivore?

a)

an animal that gets energy by eating other animals

b)

An animal that gets energy by eating only plants

c)

an animal that gets energy by eating both plants and animals

93.

An animal that gets energy from eating both plants and animals is a(n)

a)

herbivore

b)

carnivore

c)

omnivore

94.

Which of the following is NOT a consumer

a)

grass

b)

dog

c)

shark

d)

fish

95.

Which of the following is a living part of the ecosystem?

a)

Air

b)

Sunlight

c)

Mushroom

d)

Soil

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