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Science Concepts and Evidence

Grade 11 · Stretch challenge · 8 questions · Version PG-Q0F44Y-1N5B

1.

What is acceleration?A. Change in velocity per unit time B. Rate of charge flow C. It stays constant while wavelength decreases D. Mass times velocity

2.

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

3.

What does conservation of energy mean?A. Mass times velocity B. Inertia C. It stays constant while wavelength decreases D. Energy changes form but total energy is conserved

4.

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

5.

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

6.

What does electric current measure?A. Inertia B. Change in velocity per unit time C. It stays constant while wavelength decreases D. Rate of charge flow

7.

What is power?A. Rate of energy transfer or work B. Change in velocity per unit time C. It stays constant while wavelength decreases 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. Rate of energy transfer or work D. Inertia

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 11
  1. What is acceleration?Change in velocity per unit time
  2. What is momentum?Mass times velocity
  3. What does conservation of energy mean?Energy changes form but total energy is conserved
  4. What does Newton's first law describe?Inertia
  5. What energy does a moving object have?Kinetic energy
  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.