

Grade 10 · Science · Challenge
Free Science Concepts and Evidence worksheet - version 1
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-12T8WOA-19D7
What type of bond shares electrons?A. Covalent bond B. Ionic bond C. Protons D. 6.022 x 10^23 particles
What does an atomic number count?A. It increases B. Covalent bond C. 6.022 x 10^23 particles D. Protons
What type of bond transfers electrons?A. It increases B. An acidic solution C. 6.022 x 10^23 particles D. Ionic bond
What does pH below 7 indicate?A. Covalent bond B. 6.022 x 10^23 particles C. An acidic solution D. Atoms of one element with different neutron counts
What must a balanced chemical equation conserve?A. Atoms of each element B. An acidic solution C. Covalent bond D. 6.022 x 10^23 particles
What is a mole?A. Protons B. 6.022 x 10^23 particles C. Atoms of one element with different neutron counts D. Atoms of each element
What is an isotope?A. It increases B. Atoms of each element C. 6.022 x 10^23 particles D. Atoms of one element with different neutron counts
What happens to reaction rate when temperature usually rises?A. It increases B. An acidic solution C. Covalent bond D. 6.022 x 10^23 particles
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 1
- What type of bond shares electrons?Covalent bond
- What does an atomic number count?Protons
- What type of bond transfers electrons?Ionic bond
- What does pH below 7 indicate?An acidic solution
- What must a balanced chemical equation conserve?Atoms of each element
- What is a mole?6.022 x 10^23 particles
- What is an isotope?Atoms of one element with different neutron counts
- What happens to reaction rate when temperature usually rises?It increases
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.