

Grade 10 · Science · Challenge
Free Science Concepts and Evidence worksheet - version 17
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 · Stretch challenge · 8 questions · Version PG-14EVTRB-19D7
What does pH below 7 indicate?A. Atoms of one element with different neutron counts B. Ionic bond C. Protons D. An acidic solution
What type of bond transfers electrons?A. Ionic bond B. Covalent bond C. Protons D. An acidic solution
What must a balanced chemical equation conserve?A. Atoms of each element B. 6.022 x 10^23 particles C. Atoms of one element with different neutron counts D. It increases
What is a mole?A. 6.022 x 10^23 particles B. Ionic bond C. Covalent bond D. Atoms of each element
What type of bond shares electrons?A. Covalent bond B. Ionic bond C. Atoms of one element with different neutron counts D. An acidic solution
What happens to reaction rate when temperature usually rises?A. It increases B. Atoms of each element C. Ionic bond D. An acidic solution
What does an atomic number count?A. Protons B. 6.022 x 10^23 particles C. An acidic solution D. Atoms of one element with different neutron counts
What is an isotope?A. 6.022 x 10^23 particles B. Atoms of one element with different neutron counts C. Covalent bond D. An acidic solution
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 17
- What does pH below 7 indicate?An acidic solution
- What type of bond transfers electrons?Ionic bond
- What must a balanced chemical equation conserve?Atoms of each element
- What is a mole?6.022 x 10^23 particles
- What type of bond shares electrons?Covalent bond
- What happens to reaction rate when temperature usually rises?It increases
- What does an atomic number count?Protons
- What is an isotope?Atoms of one element with different neutron counts
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.