MATTER AND ENERGY
FORCE, MOTION, AND ENERGY
EARTH AND SPACE
HARDER EARTH AND SPACE
ORGANISMS AND THE ENVIRONMENTS
100
A student places two objects in water. Object A sinks. Object B floats.
Why does Object A sink?
It has greater density than water
100
A student pushes a box across the floor. The box slows down and stops. What force caused the box to stop?
FRICTION
100
Day and night cycle caused by the Earth's rotation
100
A student notices that in June, Texas has longer daylight hours than in December. What BEST explains this observation?
A. Earth is closer to the Sun in June
B. Earth’s tilt causes more direct sunlight in June
C. The Sun is brighter in summer
D. Earth rotates faster in June
Earth’s tilt causes more direct sunlight in June
100
In a grassland ecosystem, grass is eaten by rabbits, and rabbits are eaten by foxes. What role does grass play in this ecosystem?
A. Consumer
B. Producer
C. Decomposer
D. Predator
Producer
200
Which properties can be measured?
A. Mass
B. Volume
C. Color
D. Temperature
Mass, Volume, and Temperature
200
Which are examples of forces?
A. Push
B. Pull
C. Heat
D. Gravity
PUSH, PULL, GRAVITY
200
A student notices it is daytime in Texas but nighttime in another part of the world.
What causes day and night on Earth?
Earth’s rotation
200
Which factors affect the seasons on Earth?
A. Earth’s tilt
B. Earth’s revolution
C. Distance from the Sun during orbit
D. Angle of sunlight
Earth’s tilt
Earth’s revolution
Angle of sunlight
200
Which are consumers?
A. Grass
B. Rabbit
C. Fox
D. Mushroom
Rabbit and Fox
300
A large piece of wood and a small rock are placed in water. The wood floats, and the rock sinks. What is the BEST explanation?
The rock has greater density
300
A soccer ball is kicked harder. What happens?
A. It moves slower
B. It moves faster
C. It stops
D. It disappears
It moves faster
300
What causes the seasons on Earth?
A. Earth’s rotation
B. Distance from the Sun
C. Earth’s tilt and revolution
D. The Moon’s position
Earth’s tilt and revolution
300
If Earth’s axis were NOT tilted, what would MOST LIKELY happen?
A. No day and night
B. No seasons
C. No gravity
D. No Moon phases
No seasons
300
Which are examples of structural adaptations?
A. Thick fur
B. Webbed feet
C. Learning to hunt
D. Sharp claws
A. Thick fur
B. Webbed feet
D. Sharp claws
400
Which is an example of a physical change?
Ice melting
400
A toy car moves faster when pushed harder.
What is the relationship shown?
A. More force = less motion
B. More force = more speed
C. Less force = more speed
D. Force does not affect motion
More force = more speed
400
A student observes the Moon changing shape over several nights. Why do Moon phases occur?
A. The Moon produces its own light
B. The Moon changes shape
C. We see different amounts of sunlight reflected from the Moon
D. Clouds cover the Moon
We see different amounts of sunlight reflected from the Moon
400
What causes the change in Moon phases?
A. Earth’s shadow covers the Moon
B. The Moon changes shape
C. The position of the Moon relative to Earth and Sun
D. The Sun dims
The position of the Moon relative to Earth and Sun
400
A polar bear has thick fur and fat. Why is this important?
To stay warm in cold environments
500
Which is a form of energy?
A. Light
B. Heat
C. Sound
D. Color
Light, Heat, Sound
500
Which can change an object’s motion?
A. Increasing force
B. Decreasing friction
C. Changing direction
D. Leaving it alone
A. Increasing force
B. Decreasing friction
C. Changing direction
500
Which are parts of the water cycle?
A. Evaporation
B. Condensation
C. Precipitation
D. Rotation
A. Evaporation
B. Condensation
C. Precipitation
500
Which must be true for a full moon to occur?
A. Earth is between the Sun and Moon
B. The Moon is fully lit from Earth’s view
C. The Moon produces its own light
D. The Sun shines on the entire visible side
Earth is between the Sun and Moon
The Moon is fully lit from Earth’s view
The Sun shines on the entire visible side
500
Which is an instinctual behavior?
A. A dog learning tricks
B. A baby crying
C. A student studying
D. A bird trained to sing
A baby crying
600
Which BEST describes energy transfer?
A. Energy stays in one place
B. Energy moves from one object to another
C. Energy disappears
D. Energy becomes matter
B. Energy moves from one object to another
600
A ball rolls farther on tile than on carpet. Why?
A. More gravity on tile
B. Less friction on tile
C. More force on carpet
D. Less mass on tile
Less friction on tile
600
What process breaks rocks into smaller pieces?
Weathering
600
Why is a new moon NOT visible from Earth?
A. The Moon disappears
B. The lit side is facing away from Earth
C. Earth blocks all sunlight
D. The Moon stops reflecting light
The lit side is facing away from Earth
600
Why are learned behaviors important?
A. They are inherited
B. They allow organisms to adapt to changes
C. They never change
D. They are only for humans
They allow organisms to adapt to changes
700
A metal spoon gets hot in soup. Why?
Heat transfers through the spoon
700
A heavier object and a lighter object are pushed with the same force. Which is TRUE?
A. The heavier object moves easier
B. The lighter object moves easier
C. Both move the same
D. Neither moves
The lighter object moves easier
700
Which processes change Earth’s surface?
Wind, water, ice
700
After several hot days, a lake level decreases and clouds form later in the evening.
Which sequence BEST explains this observation?
A. Condensation → Evaporation → Precipitation
B. Evaporation → Condensation → Precipitation
C. Precipitation → Evaporation → Condensation
D. Collection → Freezing → Evaporation
Evaporation → Condensation → Precipitation
700
Sun → Grass → Grasshopper → Frog → Snake
What is the ORIGINAL source of energy?
Sun
800
A student wants to keep a drink cold. Which material should they use?
A. Metal
B. Glass
C. Foam
D. Aluminum
Foam
800
What happens when a force is applied in the opposite direction of motion?
A. Speed increases
B. Motion slows or stops
C. Mass increases
D. Gravity stops
Motion slows or stops
800
A river carries sediment and drops it at its mouth. What landform forms?
Delta
800
Why do clouds form when warm air rises?
A. Air heats up and expands
B. Water vapor cools and condenses
C. Air turns into water
D. Gravity pulls clouds upward
Water vapor cools and condenses
800
Which statements are TRUE?
A. Energy flows from producers to consumers
B. Plants make their own food
C. Animals produce their own food
D. The Sun provides energy
Energy flows from producers to consumers
Plants make their own food
The Sun provides energy
900
When a toaster heats bread, what is happening?
A. Energy is created
B. Energy is destroyed
C. Energy is transformed
D. Energy disappears
Energy is transformed
900
Why does a ball roll down a hill faster than on flat ground?
A. Less gravity
B. More friction
C. Gravity pulls it downward
D. Air pushes it
Gravity pulls it downward
900
If Earth stopped rotating, what would MOST LIKELY happen?
No more day and night cycle
900
Which statements are TRUE?
A. Earth rotates once every 24 hours
B. Earth revolves around the Sun in about 365 days
C. The Moon produces light
D. The Sun provides energy for Earth systems
Earth rotates once every 24 hours
Earth revolves around the Sun in about 365 days
The Sun provides energy for Earth systems
900
Why do animals migrate?
A. To avoid sunlight
B. To find food or better conditions
C. To stop energy flow
D. To change ecosystems
To find food or better conditions
1000
What is TRUE about physical changes?
A. A new substance forms
B. The substance stays the same
C. Energy is destroyed
D. Matter disappears
The substance stays the same
1000
Which are examples of energy transfer?
A. Sun warming the ground
B. Stove heating a pan
C. Sound traveling through air
D. A rock sitting still
Sun warming the ground
Stove heating a pan
Sound traveling through air
1000
Why are shadows shorter at noon?
The Sun is higher in the sky
1000
A student claims seasons are caused by Earth being closer to the Sun in summer. Why is this incorrect?
A. Earth does not orbit the Sun
B. Earth’s tilt, not distance, causes seasons
C. The Sun changes size
D. The Moon controls seasons
Earth’s tilt, not distance, causes seasons
1000
A new predator is introduced into an ecosystem. What is the MOST LIKELY result?
A. Prey population increases
B. Prey population decreases
C. Producers disappear
D. Sunlight decreases
Prey population decreases