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Science Concepts and Evidence

Grade 11 · On-level practice · 8 questions · Version PG-1C6HCCL-5PQZ

1.

What energy does a moving object have?A. Rate of energy transfer or work B. Energy changes form but total energy is conserved C. Mass times velocity D. Kinetic energy

2.

What is momentum?A. Mass times velocity B. Rate of energy transfer or work C. Change in velocity per unit time D. Rate of charge flow

3.

What does electric current measure?A. Inertia B. Rate of charge flow C. Energy changes form but total energy is conserved D. Rate of energy transfer or work

4.

What does Newton's first law describe?A. Mass times velocity B. Inertia C. Change in velocity per unit time D. Rate of charge flow

5.

What does conservation of energy mean?A. It stays constant while wavelength decreases B. Rate of energy transfer or work C. Rate of charge flow D. Energy changes form but total energy is conserved

6.

What is acceleration?A. Rate of energy transfer or work B. Rate of charge flow C. Kinetic energy D. Change in velocity per unit time

7.

What is power?A. It stays constant while wavelength decreases B. Rate of energy transfer or work C. Change in velocity per unit time D. Inertia

8.

What happens to wave speed when frequency rises in the same medium?A. It stays constant while wavelength decreases B. Kinetic energy C. Rate of charge flow D. Inertia

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 12
  1. What energy does a moving object have?Kinetic energy
  2. What is momentum?Mass times velocity
  3. What does electric current measure?Rate of charge flow
  4. What does Newton's first law describe?Inertia
  5. What does conservation of energy mean?Energy changes form but total energy is conserved
  6. What is acceleration?Change in velocity per unit time
  7. What is power?Rate of energy transfer or work
  8. What happens to wave speed when frequency rises in the same medium?It stays constant while wavelength decreases

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.