States of Matter
Earth Science
Food Chain
Ecosystem
Water Cycle
100

What are the three main states of matter?

A) Solid, Liquid, Gas 

B) Plastic, Metal, Liquid

C) Gas, Evaporate, Ice

D) Solid, Water, Rocks

A) Solid, Liquid, Gas

100

What do we call the path that Earth takes around the Sun?

a) Orbit

b) Rotation

c) Year

d) Spin

a) Orbit

100

What is a food chain?
A) A type of plant that grows in the ocean
B) A list of all the animals in a habitat
C) A chain of restaurants that serve different foods
D) A diagram showing how energy moves from one organism to another

D) A diagram showing how energy moves from one organism to another

100

What is an ecosystem?
A) A place where only plants live
B) A food chain with at least three animals
C) A group of the same animals living together
D) A community of living and nonliving things interacting together

D) A community of living and nonliving things interacting together

100

Which source provides the energy that drives the water cycle?
A) The Moon
B) The Sun
C) The Wind
D) The Ocean

B) The Sun

200

What happens to a solid when it is heated, and what is this process called?

A) It turns into a gas; this is called condensation
B) It becomes harder; this is called freezing
C) It turns into a liquid; this is called melting
D) It disappears; this is called evaporation  

C) It turns into a liquid; this is called melting

200

How many days does it take for the Earth to orbit around the sun?

a) 366 days

b) 365 days

c) 364 1/4 days

d) 363 days

c) 364 1/4

200

Which of the following is always at the start of a food chain?
A) A Carnivore
B) A producer
C) A consumer
D) A decomposer

B) A producer

200

Which of the following is a nonliving part of an ecosystem?
A) Trees
B) Sunlight
C) Fish
D) Insects

B) Sunlight

200

Which of the following is NOT a form of precipitation?
A) Rain
B) Snow
C) Fog
D) Hail

C) Fog

300

Give an example of a substance that can change between all three states of matter.
A) Wood
B) Metal
C) Water
D) Rock

C) Water

300

What is the imaginary line that goes through Earth to make the Northern and Southern Hemisphere?

a) Longitude Line

b) The Equator

c) North Pole

d) Y - Axis

b) The Equator

300

Which of these is an omnivore?
A) Lion
B) Cow
C) Bear
D) Snake

C) Bear

300

What would happen if all the plants in an ecosystem disappeared?
A) Nothing would change
B) Herbivores would increase in number
C) The ecosystem would collapse because plants provide energy for all organisms
D) Carnivores would start eating plants

C) The ecosystem would collapse because plants provide energy for all organisms

300

Which stage of the water cycle forms clouds?
A) Evaporation
B) Collection
C) Precipitation
D) Condensation

D) Condensation

400

How does adding or removing heat affect the state of matter of water?


A) Adding heat turns water into ice, removing heat turns it into gas
B) Adding heat turns water into gas or water vapors, removing heat turns water into ice
C) Adding heat turns water into rock, removing heat turns it into dust
D) Heat does not affect the state of water

B) Adding heat turns water into gas or water vapors, removing heat turns water into ice

400

If it is Summer time in America, what season would it be in Australia?

a) Summer

b) Fall

c) Winter

d) Spring

c) Winter

400

What happens if the population of prey animals decreases in a food chain?


A) Predators will have more food
B) Predators might decrease because they have less food
C) Producers will disappear
D) Nothing will change

B) Predators might decrease because they have less food

400

Which ecosystem has the most biodiversity?
A) Desert
B) Tundra
C) Rainforest
D) Grassland

C) Rainforest

400

What is the process of water moving across the land and into lakes, rivers, and oceans called?
A) Transpiration
B) Runoff
C) Condensation
D) Evaporation

B) Runoff

500

What is the difference between evaporation and condensation?


A) Evaporation is when a gas turns into a liquid; condensation is when a liquid turns into a gas
B) Evaporation is when a liquid turns into a gas; condensation is when a gas turns into a liquid
C) They both mean the same thing
D) Evaporation happens in the cold, and condensation happens in the heat

B) Evaporation is when a liquid turns into a gas; condensation is when a gas turns into a liquid

500

What is the main cause of the seasons on Earth?

a) The Moon’s phases
b) Earth’s tilt on its axis
c) Earth’s distance from the Sun
d) Changes in air temperature  

b) Earth's tilt on its axis

500

Which of these correctly represents how energy moves through a desert ecosystem?
A) Cactus → Mouse → Snake → Hawk
B) Snake → Mouse → Cactus → Sun
C) Cactus → Lizard → Eagle → Rabbit
D) Sun → Snake → Hawk → Cactus

A) Cactus → Mouse → Snake → Hawk

500

Grass → Insect → Frog → Hawk

If "Grass" starts off with 100%  energy, then how much energy will the "Frog" have in this food chain?

A) 100%

B) 10%

C) 0.1%

D) 1%

D) 1%

500

How do plants contribute to the water cycle?
A) They release water vapor into the air through transpiration
B) They absorb all the water and keep it underground
C) They only take in water but do not release it
D) They stop the water cycle from happening

A) They release water vapor into the air through transpiration