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Grade 10 · Science · Building Confidence

Free Science Concepts and Evidence worksheet - version 18

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-7RTV6S-1RJY

1.

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

2.

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

3.

What does an atomic number count?A. Protons B. Ionic bond C. Covalent bond D. Atoms of one element with different neutron counts

4.

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

5.

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

6.

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

7.

What does pH below 7 indicate?A. Atoms of one element with different neutron counts B. Protons C. 6.022 x 10^23 particles D. An acidic solution

8.

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

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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 18
  1. What type of bond shares electrons?Covalent bond
  2. What happens to reaction rate when temperature usually rises?It increases
  3. What does an atomic number count?Protons
  4. What is a mole?6.022 x 10^23 particles
  5. What is an isotope?Atoms of one element with different neutron counts
  6. What type of bond transfers electrons?Ionic bond
  7. What does pH below 7 indicate?An acidic solution
  8. What must a balanced chemical equation conserve?Atoms of each element

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.