Grade 10 · Science · Challenge
Free Science Concepts and Evidence worksheet - version 6
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-11FAW7F-19D7
What is a mole?A. 6.022 x 10^23 particles B. Covalent bond C. It increases D. Ionic bond
What does pH below 7 indicate?A. An acidic solution B. Covalent bond C. Atoms of one element with different neutron counts D. Ionic bond
What happens to reaction rate when temperature usually rises?A. 6.022 x 10^23 particles B. It increases C. Atoms of one element with different neutron counts D. Ionic bond
What type of bond transfers electrons?A. Ionic bond B. Atoms of each element C. Protons D. Covalent bond
What type of bond shares electrons?A. Ionic bond B. Protons C. Covalent bond D. Atoms of each element
What is an isotope?A. 6.022 x 10^23 particles B. An acidic solution C. Atoms of one element with different neutron counts D. It increases
What must a balanced chemical equation conserve?A. Atoms of one element with different neutron counts B. 6.022 x 10^23 particles C. Atoms of each element D. Protons
What does an atomic number count?A. An acidic solution B. It increases C. Protons D. Atoms of one element with different neutron counts
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 6
- What is a mole?6.022 x 10^23 particles
- What does pH below 7 indicate?An acidic solution
- What happens to reaction rate when temperature usually rises?It increases
- What type of bond transfers electrons?Ionic bond
- What type of bond shares electrons?Covalent bond
- What is an isotope?Atoms of one element with different neutron counts
- 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.