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100
A student finds the remains of an alligator on the ground.
What most likely happened to the alligator’s body?
A The alligator weathered away due to high winds.
B The alligator weathered away due to heavy rains.
C The alligator decomposed and became part of the air.
D The alligator decomposed and became part of the soil.
D The alligator decomposed and became part of the soil.
100
The picture shows a tree after a hurricane hit an area in Southern Texas.
What most likely caused the tree to uproot?
A High winds
B A landslide
C A lava flow
D Weathering
A High winds
100
Which of the following is an accurate model of how the Sun, Earth, and Moon move?
A
B
C
D
C
100
The student above is drawing a model of the Solar System. She drew small dots in between Mars and Jupiter. The dots represent the asteroid belt, which is made up of rocks that orbit the Sun.
Which four planets are closer to the Sun than the asteroid belt?
A Earth, Mars, Jupiter, and Saturn
B Sun, Earth, Moon, and Mars
C Earth, Venus, Neptune, and Mars
D Mercury, Venus, Earth, and Mars
D Mercury, Venus, Earth, and Mars
100
A mix of tiny rocks and bits of dead plants and animals.
Soil
200
A student sketched the formation of soil from rock.
In this instance, soil formation is most likely caused by —
A decomposition of rock from sunlight
B decomposition of rock from plant roots
C weathering of rock from falling leaves
D weathering of rock from wind and rain
D weathering of rock from wind and rain
200
Which statement best describes the actions of a landslide?
A Earth’s surface suddenly shakes, causing buildings to collapse.
B A layer of Earth’s surface suddenly and rapidly moves downhill.
C Magma flows violently through a crack in Earth’s surface.
D The Earth’s surface is slowly weathered by moving water.
B A layer of Earth’s surface suddenly and rapidly moves downhill.
200
Which of the following statements is true about the orbits of the Moon and the Earth?
A The Moon orbits the Earth, and the Earth orbits the Sun.
B The Earth orbits the Moon, and the Moon orbits the Sun.
C The Moon orbits the Sun, and the Earth does not move.
D The Earth orbits the Moon, and the Moon stays still.
A The Moon orbits the Earth, and the Earth orbits the Sun.
200
According to the image above, which planet in our solar system is closest to the Sun?
A Earth
B Jupiter
C Mercury
D Saturn
C Mercury
200
A mixture of minerals that forms a hard, nonliving part of Earth.
Rock
300
Which description demonstrates one way rocks weather to form soil?
A A canyon with a river flowing through it
B Grassland that is used for grazing livestock
C Leaves decompose to form the soil
D Earthworms make tunnels in the soil
A A canyon with a river flowing through it
300
A volcano can change Earth's surface in all of the following ways EXCEPT —
A triggers an avalanche
B causes a landslide
C forms new land
D puts ash in the air
D puts ash in the air
300
A student is drawing a diagram of the Solar System. Which planets should he draw on each side of Jupiter to show the correct order of the planets?
A Earth and Uranus
B Neptune and Saturn
C Neptune and Mars
D Mars and Saturn
D Mars and Saturn
300
Something that is found in nature and is valuable to humans.
Natural Resource
300
To put through a process that allows things to be reused.
Recycle
400
How can a plant become a part of soil?
A The plant’s roots can grow deep in the ground.
B The plant’s seeds can drop on the ground and get eaten.
C The plant’s flower can stick pollen to a bee.
D The plant’s leaves can decompose after they fall.
D The plant’s leaves can decompose after they fall.
400
A student drew a model of the Sun, the Earth, and the Moon.
What change should be made to make the model more accurate?
A Nothing should be changed.
B The Moon should be below the Sun.
C The Moon should be located on the other side of the Sun.
D The Sun should be larger than the Earth and the Moon
D The Sun should be larger than the Earth and the Moon
400
A student drew the solar system.
The arrow is pointing toward which planet?
A Jupiter
B Mercury
C Saturn
D Earth
A Jupiter
400
A material that is made up of broken-down parts of dead plants and animals.
Humus
400
The act of saving, protecting, or using resources wisely.
Conservation
500
An earthquake may cause all of the following EXCEPT —
A landslides
B tornadoes
C tsunamis
D road damage
B tornadoes
500
Which of these objects could be used to show the approximate sizes of the Earth and Moon?
A The volleyball as the Earth and marble as the Moon
B The basketball as the Earth and baseball as the Moon
C The baseball as the Earth and tennis ball as the Moon
D The marble as the Earth and tennis ball as the Moon
B The basketball as the Earth and baseball as the Moon
500
Which planet is represented by letter B?
A Earth
B Mars
C Mercury
D Venus
D Venus
500
Hot, melted rock that erupts from a volcano.
Lava
500
The breaking down of dead plant and animal material.
Decomposition