Grade 10 · Science · Challenge
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 · Stretch challenge · 8 questions · Version PG-11WW90L-19D7
What does pH below 7 indicate?A. It increases B. Protons C. Ionic bond D. An acidic solution
What is an isotope?A. Protons B. Covalent bond C. 6.022 x 10^23 particles D. Atoms of one element with different neutron counts
What is a mole?A. Protons B. 6.022 x 10^23 particles C. An acidic solution D. Covalent bond
What type of bond transfers electrons?A. It increases B. Atoms of each element C. Ionic bond D. 6.022 x 10^23 particles
What type of bond shares electrons?A. It increases B. Ionic bond C. An acidic solution D. Covalent bond
What happens to reaction rate when temperature usually rises?A. Covalent bond B. It increases C. Atoms of each element D. An acidic solution
What must a balanced chemical equation conserve?A. Ionic bond B. An acidic solution C. Protons D. Atoms of each element
What does an atomic number count?A. Covalent bond B. It increases C. Atoms of each element D. Protons
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 does pH below 7 indicate?An acidic solution
- What is an isotope?Atoms of one element with different neutron counts
- What is a mole?6.022 x 10^23 particles
- What type of bond transfers electrons?Ionic bond
- What type of bond shares electrons?Covalent bond
- What happens to reaction rate when temperature usually rises?It increases
- What must a balanced chemical equation conserve?Atoms of each element
- What does an atomic number count?Protons
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.