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Grade 10 · Science · On Level

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.

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Science Concepts and Evidence

Grade 10 · On-level practice · 8 questions · Version PG-WO5W2B-1AI3

1.

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

2.

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

3.

What type of bond shares electrons?A. Covalent bond B. It increases C. Atoms of one element with different neutron counts D. Protons

4.

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

5.

What does an atomic number count?A. Protons B. Ionic bond C. It increases D. Covalent bond

6.

What is a mole?A. It increases B. Atoms of each element C. An acidic solution D. 6.022 x 10^23 particles

7.

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

8.

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

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