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Science Concepts and Evidence

Grade 11 · On-level practice · 8 questions · Version PG-VD5T6R-5PQZ

1.

What does conservation of energy mean?A. Kinetic energy B. Inertia C. Energy changes form but total energy is conserved D. Change in velocity per unit time

2.

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

3.

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

4.

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

5.

What is acceleration?A. Inertia B. It stays constant while wavelength decreases C. Change in velocity per unit time D. Kinetic energy

6.

What is power?A. Mass times velocity B. Rate of charge flow C. It stays constant while wavelength decreases D. Rate of energy transfer or work

7.

What energy does a moving object have?A. Inertia B. Rate of charge flow C. Kinetic energy D. Rate of energy transfer or work

8.

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

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

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.