Grade 10 · Science · Building Confidence
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 · Building confidence · 8 questions · Version PG-1A2KHEV-1RJY
What is a mole?A. It increases B. Atoms of each element C. Atoms of one element with different neutron counts D. 6.022 x 10^23 particles
What must a balanced chemical equation conserve?A. Atoms of each element B. Protons C. An acidic solution D. Ionic bond
What type of bond transfers electrons?A. Protons B. It increases C. Covalent bond D. Ionic bond
What does pH below 7 indicate?A. An acidic solution B. Ionic bond C. 6.022 x 10^23 particles D. Protons
What is an isotope?A. Ionic bond B. Protons C. An acidic solution D. Atoms of one element with different neutron counts
What does an atomic number count?A. Atoms of each element B. Ionic bond C. Protons D. 6.022 x 10^23 particles
What happens to reaction rate when temperature usually rises?A. Ionic bond B. An acidic solution C. Covalent bond D. It increases
What type of bond shares electrons?A. Ionic bond B. Protons C. Covalent bond 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 20
- What is a mole?6.022 x 10^23 particles
- What must a balanced chemical equation conserve?Atoms of each element
- What type of bond transfers electrons?Ionic bond
- 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 happens to reaction rate when temperature usually rises?It increases
- What type of bond shares electrons?Covalent bond
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.