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Science Concepts and Evidence

Grade 11 · Building confidence · 8 questions · Version PG-D1IEU-90RE

1.

What is acceleration?A. Change in velocity per unit time B. Mass times velocity C. Rate of charge flow D. Kinetic energy

2.

What does electric current measure?A. Rate of charge flow B. Mass times velocity C. Kinetic energy D. It stays constant while wavelength decreases

3.

What does Newton's first law describe?A. Inertia B. It stays constant while wavelength decreases C. Mass times velocity D. Rate of energy transfer or work

4.

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

5.

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

6.

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

7.

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

8.

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

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

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.