

Grade 10 · Science · On Level
Free Science Concepts and Evidence worksheet - version 20
Grade 10 science practice based on published U.S. learning expectations, with reproducible original variations. This printable version includes 8 grade-appropriate questions and a separate answer sheet.
Science Concepts and Evidence
Grade 10 · On-level practice · 8 questions · Version PG-165TW71-1AI3
What must a balanced chemical equation conserve?A. 6.022 x 10^23 particles B. Atoms of each element C. Covalent bond D. It increases
What type of bond transfers electrons?A. Atoms of each element B. 6.022 x 10^23 particles C. Covalent bond D. Ionic bond
What happens to reaction rate when temperature usually rises?A. It increases B. Protons C. Covalent bond D. An acidic solution
What does pH below 7 indicate?A. An acidic solution B. Atoms of each element C. 6.022 x 10^23 particles D. Protons
What is an isotope?A. It increases B. Atoms of one element with different neutron counts C. Atoms of each element D. 6.022 x 10^23 particles
What does an atomic number count?A. It increases B. Atoms of one element with different neutron counts C. 6.022 x 10^23 particles D. Protons
What type of bond shares electrons?A. Protons B. 6.022 x 10^23 particles C. Ionic bond D. Covalent bond
What is a mole?A. 6.022 x 10^23 particles B. An acidic solution C. Protons D. Ionic bond
Answers and teaching notes
Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.
Show answers for version 20
- What must a balanced chemical equation conserve?Atoms of each element
- What type of bond transfers electrons?Ionic bond
- What happens to reaction rate when temperature usually rises?It increases
- What does pH below 7 indicate?An acidic solution
- What is an isotope?Atoms of one element with different neutron counts
- What does an atomic number count?Protons
- What type of bond shares electrons?Covalent bond
- What is a mole?6.022 x 10^23 particles
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.