
STAAR Practice Questions 2022
Quiz by Kelly Danford
Track each student's skills and progress in your Mastery dashboards
A photograph of a litter of six-week-old bulldog puppies shows that the puppies are not identical.
Even though these puppies have the same parents, they do not all look alike because —

A photograph of a bird perched on a fence post is shown.
Which description best identifies the action-reaction pair between the bird and the fence post?

Farmers can best reduce negative effects on the water quality of nearby streams and lakes by planting crops that —
Buffelgrass is an invasive species of grass from Africa that outcompetes native Texas grasses for space and water. Which long-term change to a Texas grassland would most likely occur due to the introduction of buffelgrass?



Oxygen and oxygen-containing compounds are involved in many different reactions. Which balanced equation represents a reaction that involves 14 atoms of oxygen?
Two plant species that grow in the same area are shown.
Which statement best explains a difference between Plant 1 and Plant 2?

A Texas Gulf Coast energy pyramid is shown with representative organisms at each trophic level.
Which statement best describes the flow of energy through this pyramid?

What function do both cell membranes and cell walls perform?
Which of these observations is an indication that a chemical reaction has occurred?
Which statement best explains why the sun appears brighter to people on Earth than any other star?
Students jump rope for one minute to determine changes in heart rate and breathing rate. Their data are shown in the table.
Which table explains the functions of the two body systems that the students investigated?

The diagram shows how a cylinder in a car engine causes the car to move.
Which description of the energy conversions in this process is correct?

The model shows Earth in four different positions in its orbit around the sun.
Which statement correctly explains which position of Earth represents summer in the United States?

The speed of an object over time is shown in the graph.
Which table describes the object’s motion?

Four students designed and built air propelled rockets that were launched into the air. Their data are recorded in the table.
Which rocket had the greatest acceleration?

Sea anemones and clown fish live together in the ocean. Which statement best describes one way sea anemones depend on clown fish for an abiotic factor in an ecosystem?
The picture shows a bicyclist increasing speed while riding down a hill during a bicycle race.
Which statements accurately describe the potential and kinetic energy of this bicyclist?

Trees lose water through transpiration, when water evaporates from leaves. The list describes types of tree leaves that help reduce the amount of transpiration.
Which of these is most likely observed in an area experiencing a long-term drought?

Two oceanic plates are shown in the image.
Which type of boundary results in the spreading of the oceanic ridge?

Alpha Centauri appears as a bright object visible in the Milky Way galaxy. Alpha Centauri is actually a system of three objects. Each object produces light and rotates on its own axis. The system is an average of 4 light-years from Earth.
Based on this information, the three objects that make up the Alpha Centauri system are all —
Students performed a lab investigation on chemical reactions. The students put on goggles and plastic gloves and then followed these steps.
Which observation would indicate that a chemical reaction occurred?

A Texas Gulf Coast food web is shown.
According to this food web, which organisms would the bobcat and diamondback rattlesnake compete for if the mouse population and swamp rabbit population decreased?

The chart shows properties of four elements.
Based on these properties, which element is most likely a nonmetal?
