2022 Released Science STAAR: Q21-30

Butterflies have very long, tubelike tongues. Hummingbirds have very long tongues.

Which statement best describes why butterflies and hummingbirds both have long tongues?

• Butterflies and hummingbirds both migrate.

• Butterflies and hummingbirds are attracted to brightly colored flowers.

• Butterflies and hummingbirds eat the same food.

• Butterflies and hummingbirds have the same predators

Tags

5.10A

A food web of a grassland ecosystem is shown.

Which organisms rely on the same food source?

• Snakes and hawk

• Mice and snakes

• Rabbits and lizards

• Grasshoppers and lizards

Tags

5.9B

Students conduct an investigation with breakfast cereal. The first four steps of the students’ investigation are in the table shown.

The students are trying to determine the presence of which substance in the cereal?

• Sugar

• Iron

• Salt

• Wheat

Tags

5.5B

A group of students is building the circuit represented in the diagram.

What object can be used at Position X for the buzzer to sound when Switch K is closed?

• A power source

• Another bulb

• An insulated wire

• Another switch

Tags

5.6B

Some characteristics of the tundra are described.

• Long winters with temperatures at − 34 °C

• Less than 25 centimeters of precipitation each year

• Thin layer of topsoil covers the frozen ground

• Some types of plants found there are mosses, grasses, small shrubs, and trees

Based on this description, which pair of animals is LEAST likely to live in the tundra?

• 
• 
• 
• 

Tags

3.9A

A student makes the model shown with objects representing the sun, Earth, and the moon to use in a class demonstration.

Which action should the student do with the objects to demonstrate a complete day-night cycle of Earth?

• Move the moon around Earth once

• Spin the sun in a circle once

• Move Earth around the sun once

• Spin Earth in a circle once

Tags

5.8C

Scientists have uncovered palm plant fossils in Alaska, the northern-most state of the United States. Modern-day palm plants grow in tropical climates.

A picture of a palm fossil that measures almost one meter across is shown.

This discovery suggests to scientists that this area in Alaska once was —

• covered with an ocean

• warmer than it is now

• populated by polar bears

• changed by earthquakes

Tags

5.9D

Which Texas land formation is correctly paired with the force that made the land formation?

• A canyon at Palo Duro Canyon State Park was formed by a river

• A sand dune at Monahans Sandhills State Park was formed by an earthquake.

• A delta at the end of the Guadalupe River was formed by wind.

• A rock formation with layers on Mustang Island was formed by ic

Tags

5.7B

A group of students at a park used a collecting net to capture several insects. The teacher transferred the insects to small terrariums that allowed the students to observe the insects before releasing them outside.

Each of the following characteristics is likely an inherited trait EXCEPT —

• a fly’s missing antenna

• a butterfly’s black-and-yellow stripes

• a dragonfly’s two sets of wings

• a beetle’s green spots

Tags

5.10B

A group of students wants to build a desert garden at school. They need soil that allows water to drain away easily for the desert plants in this garden. The students test different soils to determine how much water passes through and how much water remains in each soil as shown in the table.

Based on the table, which types of soils are best to use to build the garden?

• Clay and sand

• Sand and gravel

• Gravel and silt

• Silt and clay

Tags

4.7A