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Grade 10 · Science · Building Confidence

Free Science Concepts and Evidence worksheet - version 15

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 · Building confidence · 8 questions · Version PG-4PY8K3-1RJY

1.

What is an isotope?A. Atoms of each element B. Protons C. Atoms of one element with different neutron counts D. Ionic bond

2.

What does pH below 7 indicate?A. Ionic bond B. 6.022 x 10^23 particles C. It increases D. An acidic solution

3.

What happens to reaction rate when temperature usually rises?A. Protons B. It increases C. Atoms of one element with different neutron counts D. Atoms of each element

4.

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

5.

What type of bond shares electrons?A. Covalent bond B. 6.022 x 10^23 particles C. An acidic solution D. Protons

6.

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

7.

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

8.

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

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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 15
  1. What is an isotope?Atoms of one element with different neutron counts
  2. What does pH below 7 indicate?An acidic solution
  3. What happens to reaction rate when temperature usually rises?It increases
  4. What is a mole?6.022 x 10^23 particles
  5. What type of bond shares electrons?Covalent bond
  6. What must a balanced chemical equation conserve?Atoms of each element
  7. What type of bond transfers electrons?Ionic bond
  8. 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.