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Science Concepts and Evidence

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

1.

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

2.

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

3.

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

4.

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

5.

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

6.

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

7.

What energy does a moving object have?A. Kinetic energy B. Rate of charge flow C. Mass times velocity D. Energy changes form but total energy is conserved

8.

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

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 10
  1. What does Newton's first law describe?Inertia
  2. What happens to wave speed when frequency rises in the same medium?It stays constant while wavelength decreases
  3. What does conservation of energy mean?Energy changes form but total energy is conserved
  4. What is momentum?Mass times velocity
  5. What is acceleration?Change in velocity per unit time
  6. What does electric current measure?Rate of charge flow
  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.