WorksheetsEOY STAAR Science Benchmark 2025
Total questions: 31
Worksheet time: 3hrs 35mins
How many planets in the solar system are farther from the sun than Jupiter is?
One
Two
Three
Four
Food chains show feeding relationships between organisms living within an ecosystem. Which food chain correctly shows the flow of energy that might be found in a grassland ecosystem?
Foxes → beetles → grasses → songbirds
Grasses → beetles → songbirds → foxes
Foxes → songbirds → beetles → grasses
Grasses → foxes → songbirds → beetles
A student washes dishes using hot water. This causes fog to form on the student’s eyeglasses. Which process caused the fog to form on the eyeglasses?
Water vapor melted on the student’s eyeglasses.
Water vapor evaporated off the student’s eyeglasses.
Water vapor condensed on the student’s eyeglasses.
Water vapor froze on the student’s eyeglasses.
A picture of trees, clouds, and a pond is shown.
Which process did light undergo on the pond’s surface to produce the image of the trees and clouds?
Refraction
Absorption
Reflection
Transmission
An old-growth forest has many tall trees. It also has many smaller shrubs and plants that grow much closer to the ground under the tall trees. Which factor is MOST LIKELY responsible for limiting the growth of these smaller shrubs and plants in the forest?
Limited access to sunlight
Limited access to water
Limited access to nutrients
Limited access to oxygen
A student conducting an investigation dissolves salt in water and then adds the salt solution to a beaker containing sand. The student now wants to separate the salt and the sand from the mixture. Which steps should the student perform to separate the salt and the sand from the mixture?
1. Use a magnet to remove the particles that are magnetic. 2. Pour the remaining mixture through filter paper.
1. Pour the new mixture through filter paper. 2. Use a magnet to remove the particles that are magnetic.
1. Boil the mixture. 2. Pour the new dry mixture through filter paper.
1. Pour the mixture through filter paper. 2. Boil the water that passes through the filter paper.
A student watches a toy car speed up as it rolls down a ramp. After the car gets to the bottom of the ramp, the car slows to a stop as it rolls across the classroom floor.
Which force caused the toy car to speed up when rolling down the ramp, and which force caused it to slow down when rolling across the floor?
Gravity caused the car to speed up when rolling down the ramp and slow down when rolling across the floor.
Friction caused the car to speed up when rolling down the ramp and slow down when rolling across the floor.
Gravity caused the car to speed up when rolling down the ramp, and friction caused the car to slow down when rolling across the floor.
Friction caused the car to speed up when rolling down the ramp, and gravity caused the car to slow down when rolling across the floor.
Both falcons and bats hunt for their food. Falcons use mainly their eyes and bats use mainly their ears to locate prey.
Which form of energy does each predator mainly use for locating their prey?
Bat: light, Falcon: thermal
Bat: sound, Falcon: light
Bat: solar, Falcon: sound
Bat: thermal, Falcon: electrical
A partial desert ecosystem food web is shown.
Which organisms receive energy from a herbivore and a carnivore?
Ground squirrels
Golden eagles
Scorpions
Kit foxes
An ocean food web is shown.
Which food chain is correct based on the information in this food web?
Leopard seals → Fish → Tiny sea animals → Tiny sea plants
Tiny sea plants → Tiny sea animals → Baleen whales → Toothed whales
Elephant seals → Leopard seals → Seabirds → Baleen whales
Crabs → Fish → Elephant seals → Toothed whales
Which activities require for light to be refracted before reaching the eyes of the student? Select TWO correct answers.
Students see themselves in a mirror.
A student views an insect through a hand lens.
A student looks at a piece of paper.
A student sees an image on the surface of a puddle.
Students look at a rainbow after it rains.
Black walnut trees produce and release a chemical from their roots that prevents nearby plants of different species from growing.
Which statement describes the MOST LIKELY advantage for the black walnut trees of releasing this chemical?
Less sunlight is needed to produce food.
Walnuts are protected from animal predators.
Competition for space and nutrients is decreased.
The amount of air available to the tree increases.
Students are conducting an experiment to determine how the amount of force needed to drag a wood block across a surface is affected by the type of surface. A diagram of the experimental setup is shown.
Which procedure should the students follow when conducting their experiment?
Measure the force required to drag four different blocks over the same surface. Conduct three trials for each block.
Measure the force required to drag the same block over four different surfaces. Conduct three trials for each surface.
Measure the force required to drag the same block over the same surface using four different scales. Conduct three trials for each scale.
Measure the force required to drag the same block over the same surface by four different students. Conduct three trials for each student.
Sharks are top predators that live in ocean ecosystems. People sometimes fish for sharks, catching them for food and sport. If many sharks are removed from ocean ecosystems, it can affect ecosystem communities.
Which statement BEST predicts the effect of removing many sharks from ocean ecosystems?
The variety of different organisms throughout ocean ecosystems will increase.
The number of producers within ocean ecosystems will increase.
Organisms that compete with the sharks for food will decrease in numbers.
Organisms that the sharks prey on will increase in numbers.
Which statement BEST describes the roles of weathering and erosion in the formation of sedimentary rock?
Weathering is the movement of sediment, and erosion breaks down rocks into sediment.
Erosion is the movement of sediment, and weathering breaks down rocks into sediment.
Weathering is the movement of sediment, and erosion is the dropping of sediment at new locations.
Erosion is the movement of sediment, and weathering is the dropping of sediment at new locations.
A toy car is shown.
Which types of energy are used to make this toy car move?
Light, electrical, and mechanical
Mechanical, thermal, and chemical
Light, chemical, and sound
Thermal, electrical, and sound
New moon
Full moon
Waning crescent
28 days
Time from full moon to full moon
A student places 250 g samples of clay, sand, gravel, and silt in separate flower pots. The pots are set on a wire rack, and dishes are placed beneath the pots so that water can drip through holes and collect. The student then pours 100 mL of water over the sample in each pot. The student measures the time it takes for water to begin dripping from the bottom of each pot.What property of soils is the student most likely examining with this procedure?
The amount of time it takes different soils to dry
How well different soils retain water
How much water is needed to dissolve different soils
The differences in texture between wet and dry soils
(a) is short term. (b) is long term.
Weathering and erosion by river
Erosion and deposition by river
Glacier
Erosion and deposition by wind
Weathering
Erosion
Deposition
Compaction
Cementation
A student makes a mixture of gravel(rocks), iron filings, and water. Which table correctly identifies the tools that can be used to separate each substance from the mixture?
A
B
C
D
Characteristics of four unknown materials are shown in the table.
Which material is MOST LIKELY rubber?
Material W
Material X
Material Y
Material Z
All of the statements describe learned behaviors of birds EXCEPT—
a crow tears a cap off of a bottle to drink milk
a goose produces eggs with hard shells
a pet parrot repeats the names of its human owners
a hummingbird returns to the same bird feeder each day
Which statement explains why the sun appears to move across the sky during the day?
Earth revolves around the sun.
Earth rotates on its axis.
The sun revolves around Earth.
The sun rotates on its axis.
The circuit has four lightbulbs and three switches. If Switch 1 is closed, which lightbulbs will glow?
Circle TWO correct answers.
Bulbs 1 & 3
Bulbs 2 & 4
Bulbs 3 & 4
Bulbs 1 & 2
A student is comparing Earth, the sun, and the moon. Which statements about Earth, the sun, and the moon are correct? Select TWO correct answers.
The sun is larger than Earth and the moon.
The moon is made of gases, and Earth is a solid body.
Earth is smaller than the moon and larger than the sun.
The sun produces its own light, and the moon only reflects light.
The sun, the moon, and Earth each contain liquid water.
Which of these is a MAIN difference between the life cycle of a chicken and the life cycle of a dog?
A chicken has a fertilized-egg stage, but a dog does not.
A chicken hatches from an egg, and a dog is born through a live birth.
A chicken goes through a larval stage, while a dog goes through a pupal stage.
A chicken gets nutrients from milk in its first few weeks of life, but a dog does not.
The drawing shows fossils of dinosaur tracks.
Scientists determined that the tracks formed at the same time. They also determined that the tracks were made by the same species of dinosaur. Based on the drawing, which conclusion can be made about the behavior of this species of dinosaur?
It traveled in family groups.
It preferred to hunt alone for prey.
It ate both plants and insects.
It was most active during the day.
Before mixing sugar into hot tea, a student recorded the observations shown in the table.
Which physical property of the sugar will stay the same after the sugar is mixed with the hot tea?
Color
Texture
Mass
Shape
A group of animals is shown.
Which habitat are these animals BEST suited for?
A part of the ocean that is permanently covered in ice
A tropical area of the ocean that contains rocks and living coral
A shallow body of freshwater that has plants growing around its edges
A fast-moving freshwater stream that flows deep underground
