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Science Concepts and Evidence

Grade 11 · On-level practice · 8 questions · Version PG-WH47YN-5PQZ

1.

What is momentum?A. Kinetic energy B. Rate of energy transfer or work C. Rate of charge flow D. Mass times velocity

2.

What does electric current measure?A. Rate of energy transfer or work B. Rate of charge flow C. It stays constant while wavelength decreases D. Kinetic energy

3.

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

4.

What does conservation of energy mean?A. Mass times velocity B. Change in velocity per unit time C. Rate of charge flow D. Energy changes form but total energy is conserved

5.

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

6.

What energy does a moving object have?A. Kinetic energy B. It stays constant while wavelength decreases C. Mass times velocity D. Rate of charge flow

7.

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

8.

What happens to wave speed when frequency rises in the same medium?A. It stays constant while wavelength decreases B. Inertia C. Mass times velocity D. Rate of energy transfer or work

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 3
  1. What is momentum?Mass times velocity
  2. What does electric current measure?Rate of charge flow
  3. What is power?Rate of energy transfer or work
  4. What does conservation of energy mean?Energy changes form but total energy is conserved
  5. What does Newton's first law describe?Inertia
  6. What energy does a moving object have?Kinetic energy
  7. What is acceleration?Change in velocity per unit time
  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.