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Science Concepts and Evidence

Grade 11 · Building confidence · 8 questions · Version PG-M9FQAH-90RE

1.

What energy does a moving object have?A. Kinetic energy B. Rate of charge flow C. Change in velocity per unit time D. It stays constant while wavelength decreases

2.

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

3.

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

4.

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

5.

What is acceleration?A. Rate of energy transfer or work B. Mass times velocity C. Energy changes form but total energy is conserved D. Change in velocity per unit time

6.

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

7.

What is power?A. Energy changes form but total energy is conserved B. Rate of energy transfer or work C. It stays constant while wavelength decreases D. Mass times velocity

8.

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

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 16
  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 is acceleration?Change in velocity per unit time
  6. What does conservation of energy mean?Energy changes form but total energy is conserved
  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.