Grade 8 · Science · Grade-Level Foundations
Science Concepts and Evidence worksheet
Grade 8 science practice based on published U.S. learning expectations, with reproducible original variations.
Science Concepts and Evidence
Grade 8 · On-level practice · 8 questions · Version PG-43M-N8EZ
What is evidence of a chemical change?A. Force, mass, and acceleration B. Total mass is conserved C. The number of cycles per unit time D. Formation of a new substance
What transfers thermal energy by direct contact?A. Force, mass, and acceleration B. Conduction C. Speed with direction D. They rearrange into new substances
How is mass affected in a closed-system reaction?A. Total mass is conserved B. Speed with direction C. Formation of a new substance D. They rearrange into new substances
What is a wave's frequency?A. Repel B. Total mass is conserved C. The number of cycles per unit time D. Conduction
What is velocity?A. They rearrange into new substances B. Speed with direction C. Total mass is conserved D. Force, mass, and acceleration
What happens to atoms during a chemical reaction?A. The number of cycles per unit time B. Speed with direction C. Force, mass, and acceleration D. They rearrange into new substances
What does Newton's second law relate?A. Speed with direction B. They rearrange into new substances C. Conduction D. Force, mass, and acceleration
What do like electric charges do?A. Repel B. Total mass is conserved C. Speed with direction D. They rearrange into new substances
How to use this skill
Grade 8 science practice based on published U.S. learning expectations, with reproducible original variations.
Worked example
Read the direction, identify the assessed skill, solve or cite evidence, and check the response.
Common mistake
Using a memorized procedure without checking what the question asks.
Helpful hint
Name the standard skill before answering.
Standards source
NGSS: MS-PS1, MS-PS2, MS-PS4. View official framework
These are original PencilGo questions aligned to the cited learning expectations; they are not copied from a school or publisher workbook.More free printable versions
Choose a difficulty and print one of twenty reproducible versions. Each page contains a real worksheet preview, answers, teaching notes, and its own permanent link.