LIFE SCIENCE
Which structure helps plants make their own food?
A. Roots
B. Stem
C. Leaves
D. Flowers
Leaves
What causes day and night on Earth?
Earth's Rotation
Which type of energy is stored in food?
Chemical energy
Some animals have camouflage coloring.
How does this help them survive in their environment?
Camouflage helps animals hide from predators or sneak up on prey
Two animals live in the same environment.
One has thick fur, and the other has thin fur.
How does this difference help each animal survive?
Thick fur keeps animals warm; thin fur prevents overheating
What causes seasons on Earth?
Earth’s tilt and revolution (or orbit) around the Sun
Which type of energy is produced by the Sun?
A. Sound
B. Electrical
C. Light
D. Chemical
Light
Which process changes liquid water into water vapor?
A. Condensation
B. Precipitation
C. Evaporation
D. Collection
Evaporation
A student observes a frog’s life cycle.
Which stage comes after the tadpole stage?
Adult
Which process most directly causes rocks to break into smaller pieces over time?
A. Erosion
B. Weathering
C. Melting
D. Freezing rain
Weathering
A student pushes two objects with the same force.
One moves farther than the other.
Name one property that could explain the difference.
Mass, friction, or surface
A student uses a ramp to roll a ball.
Explain how changing the height of the ramp affects the ball’s motion.
Higher ramp → more speed and energy
Lower ramp → less speed and energy
Which structure helps a plant absorb water and nutrients from the soil?
A. Leaves
B. Stem
C. Roots
D. Flowers
Roots
Which process moves sediment from one place to another?
A. Weathering
B. Erosion
C. Freezing
D. Melting
Erosion
A student pushes a box across two different surfaces.
Why does the box move farther on one surface than the other?
Different friction on each surface
A food web shows grass, rabbits, snakes, and hawks.
Predict what happens if the rabbit population increases. Explain why.
If rabbits increase:
More food for predators (snakes/hawks)
Grass may decrease because more rabbits are eating it
Two animals live in the same forest.
One has sharp teeth and hunts other animals.
The other eats berries and plants.
How do their structures help them survive in the same ecosystem?
Sharp teeth catch prey; flat teeth grind plants
A model shows layers of sedimentary rock with fossils at different depths.
Which fossil is the oldest, and why?
The Deepest fossil is the oldest-the bottom layer
A circuit stops working when a switch is opened.
Explain how the switch affects the flow of energy.
An open circuit breaks the circuit
The Sun’s energy drives the water cycle.
Explain how water moves from the ocean to clouds and then to land.
Sun heats water → evaporation → condensation → clouds → precipitation → land