

Grade 10 · Science · On Level
Free Science Concepts and Evidence worksheet - version 11
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-Z86ZCP-1AI3
What must a balanced chemical equation conserve?A. Atoms of each element B. Protons C. 6.022 x 10^23 particles D. Ionic bond
What is an isotope?A. Atoms of one element with different neutron counts B. An acidic solution C. Ionic bond D. Covalent bond
What does an atomic number count?A. 6.022 x 10^23 particles B. Atoms of one element with different neutron counts C. Ionic bond D. Protons
What is a mole?A. Covalent bond B. 6.022 x 10^23 particles C. Protons D. Ionic bond
What happens to reaction rate when temperature usually rises?A. It increases B. An acidic solution C. Protons D. Ionic bond
What type of bond shares electrons?A. Covalent bond B. It increases C. Ionic bond D. Protons
What type of bond transfers electrons?A. It increases B. Ionic bond C. 6.022 x 10^23 particles D. Atoms of one element with different neutron counts
What does pH below 7 indicate?A. An acidic solution B. It increases C. 6.022 x 10^23 particles D. Atoms of each element
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 11
- What must a balanced chemical equation conserve?Atoms of each element
- What is an isotope?Atoms of one element with different neutron counts
- What does an atomic number count?Protons
- What is a mole?6.022 x 10^23 particles
- What happens to reaction rate when temperature usually rises?It increases
- What type of bond shares electrons?Covalent bond
- What type of bond transfers electrons?Ionic bond
- What does pH below 7 indicate?An acidic solution
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.