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Grade 10 · Science · On Level

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 · On-level practice · 8 questions · Version PG-116477I-1AI3

1.

What is a mole?A. 6.022 x 10^23 particles B. Protons C. Covalent bond D. It increases

2.

What type of bond transfers electrons?A. An acidic solution B. It increases C. Ionic bond D. Covalent bond

3.

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

4.

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

5.

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

6.

What type of bond shares electrons?A. Atoms of one element with different neutron counts B. Ionic bond C. An acidic solution D. Covalent bond

7.

What does pH below 7 indicate?A. An acidic solution B. Ionic bond C. Covalent bond D. Protons

8.

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

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

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.