Grade 9 · Science · Grade-Level Foundations
Science Concepts and Evidence worksheet
Grade 9 science practice based on published U.S. learning expectations, with reproducible original variations.
Science Concepts and Evidence
Grade 9 · On-level practice · 8 questions · Version PG-43N-DMI8
What is evolution?A. Organisms interacting with each other and their environment B. DNA C. They speed reactions by lowering activation energy D. Change in inherited population traits over generations
What molecule stores hereditary information?A. DNA B. Net movement from higher to lower concentration C. It is expressed in the phenotype D. Organisms interacting with each other and their environment
What is diffusion?A. Net movement from higher to lower concentration B. Change in inherited population traits over generations C. It is expressed in the phenotype D. Organisms interacting with each other and their environment
What is the role of enzymes?A. They speed reactions by lowering activation energy B. Net movement from higher to lower concentration C. It is expressed in the phenotype D. Organisms interacting with each other and their environment
What is an ecosystem?A. Mitochondria B. Change in inherited population traits over generations C. Organisms interacting with each other and their environment D. DNA
What organelle produces most cellular ATP?A. Mitochondria B. Organisms interacting with each other and their environment C. Growth, repair, and asexual cell reproduction D. Change in inherited population traits over generations
What is mitosis used for?A. Organisms interacting with each other and their environment B. It is expressed in the phenotype C. Change in inherited population traits over generations D. Growth, repair, and asexual cell reproduction
What does a dominant allele do in a heterozygote?A. It is expressed in the phenotype B. DNA C. Organisms interacting with each other and their environment D. Net movement from higher to lower concentration
How to use this skill
Grade 9 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: HS-LS1, HS-LS3. 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
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