California CAA · Science · Grades 5, 8, and High School
Build science readiness with five focused 10-question practice sets covering living systems, physical science, Earth and space, environmental resources, and scientific practices.
This California CAA Science Practice Test page provides five short practice sets with 10 original multiple-choice questions each. The sets offer supplemental practice for Grades 5, 8, and high school across life science, physical science, Earth and space science, environmental systems, and scientific investigation.
Complete one 10-question set at a time. Identify the observable evidence, choose the best-supported answer, and review every explanation before moving to the next set.
This is supplemental State Test Practice, State Assessment Practice, and Standardized Test Practice. It does not replace current California Department of Education guidance, official CAA materials, accessibility supports, or testing policies.
For the broader California assessment hub, visit California State Assessments.
2. Test
A 10-question California CAA Science practice set on physical science and energy, with answers and explanations.
Read each science task carefully, choose one answer, and review the explanation after responding.
Please select an answer first.
Correct answer: A
The correct answer is It changes from a solid to a liquid..
Melting is a change from the solid state to the liquid state.
Please select an answer first.
Correct answer: B
The correct answer is Color.
Color is a physical property that can be observed without making a new substance.
Please select an answer first.
Correct answer: C
The correct answer is Friction opposes its motion..
Friction between the ball and floor acts against the motion.
Please select an answer first.
Correct answer: D
The correct answer is Elastic potential energy.
A stretched rubber band stores elastic potential energy.
Please select an answer first.
Correct answer: A
The correct answer is Copper.
Copper allows electric charge to move easily and is used in wires.
Please select an answer first.
Correct answer: B
The correct answer is Thermal energy moves from the warmer object toward the cooler object..
Heat transfers from warmer matter to cooler matter until temperatures become more similar.
Please select an answer first.
Correct answer: C
The correct answer is The box’s motion..
A force can change an object’s speed or direction of motion.
Please select an answer first.
Correct answer: D
The correct answer is Iron rusts..
Rusting is a chemical change that produces a new substance.
Please select an answer first.
Correct answer: A
The correct answer is A complete path and an energy source..
A closed path and a source such as a battery are needed for current.
Please select an answer first.
Correct answer: B
The correct answer is It may absorb more radiant energy..
Dark surfaces often absorb more radiation than light reflective surfaces.
Build foundational reading, math, science, and social studies skills for Grades 1–5.
Review grade-level ELA, math, science, and social studies skills for Grades 6–8.
Explore course and assessment preparation for Grades 9–12.
Use focused study intervals to work through your next practice set.
The page covers supplemental living systems, physical science, Earth and space science, environmental resources, and scientific investigation practice for Grades 5, 8, and high school.
There are five practice sets with 10 questions each, for 50 questions in total. Each set can be completed separately.
No. These are original supplemental practice questions. Check the latest California Department of Education information for official materials, accessibility supports, standards, and policies.
