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Science Concepts and Evidence

Grade 11 · Building confidence · 8 questions · Version PG-ORC5J8-90RE

1.

What does electric current measure?A. Rate of charge flow B. Mass times velocity C. Energy changes form but total energy is conserved D. It stays constant while wavelength decreases

2.

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

3.

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

4.

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

5.

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

6.

What is momentum?A. It stays constant while wavelength decreases B. Inertia C. Mass times velocity D. Change in velocity per unit time

7.

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

8.

What does Newton's first law describe?A. Inertia B. Change in velocity per unit time C. Kinetic energy D. Energy changes form but total energy is conserved

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 19
  1. What does electric current measure?Rate of charge flow
  2. What is acceleration?Change in velocity per unit time
  3. What happens to wave speed when frequency rises in the same medium?It stays constant while wavelength decreases
  4. What does conservation of energy mean?Energy changes form but total energy is conserved
  5. What is power?Rate of energy transfer or work
  6. What is momentum?Mass times velocity
  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.