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Science Concepts and Evidence

Grade 11 · Building confidence · 8 questions · Version PG-N3EJDE-90RE

1.

What energy does a moving object have?A. Rate of energy transfer or work B. Inertia C. Change in velocity per unit time D. Kinetic energy

2.

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

3.

What does Newton's first law describe?A. Inertia B. Rate of charge flow C. Mass times velocity D. Energy changes form but total energy is conserved

4.

What is acceleration?A. Mass times velocity B. Inertia C. Change in velocity per unit time D. Kinetic energy

5.

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

6.

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

7.

What is power?A. Kinetic energy B. Energy changes form but total energy is conserved C. Rate of energy transfer or work D. Inertia

8.

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

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 13
  1. What energy does a moving object have?Kinetic energy
  2. What does conservation of energy mean?Energy changes form but total energy is conserved
  3. What does Newton's first law describe?Inertia
  4. What is acceleration?Change in velocity per unit time
  5. What is momentum?Mass times velocity
  6. What does electric current measure?Rate of charge flow
  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.