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Grade 10 · Science · On Level

Free Science Concepts and Evidence worksheet - version 13

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.

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Science Concepts and Evidence

Grade 10 · On-level practice · 8 questions · Version PG-YO7RYR-1AI3

1.

What happens to reaction rate when temperature usually rises?A. 6.022 x 10^23 particles B. Atoms of each element C. Atoms of one element with different neutron counts D. It increases

2.

What type of bond shares electrons?A. Atoms of one element with different neutron counts B. It increases C. 6.022 x 10^23 particles D. Covalent bond

3.

What does an atomic number count?A. 6.022 x 10^23 particles B. Atoms of each element C. Protons D. An acidic solution

4.

What does pH below 7 indicate?A. 6.022 x 10^23 particles B. Atoms of each element C. It increases D. An acidic solution

5.

What must a balanced chemical equation conserve?A. Protons B. Atoms of each element C. Covalent bond D. Atoms of one element with different neutron counts

6.

What is an isotope?A. Atoms of one element with different neutron counts B. 6.022 x 10^23 particles C. Covalent bond D. Ionic bond

7.

What is a mole?A. Ionic bond B. 6.022 x 10^23 particles C. Protons D. Atoms of each element

8.

What type of bond transfers electrons?A. Ionic bond B. It increases C. Protons D. 6.022 x 10^23 particles

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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 13
  1. What happens to reaction rate when temperature usually rises?It increases
  2. What type of bond shares electrons?Covalent bond
  3. What does an atomic number count?Protons
  4. What does pH below 7 indicate?An acidic solution
  5. What must a balanced chemical equation conserve?Atoms of each element
  6. What is an isotope?Atoms of one element with different neutron counts
  7. What is a mole?6.022 x 10^23 particles
  8. What type of bond transfers electrons?Ionic 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.