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Science Concepts and Evidence

Grade 11 · Stretch challenge · 8 questions · Version PG-OCHHZ4-1N5B

1.

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

2.

What does electric current measure?A. Rate of charge flow B. Kinetic energy C. Energy changes form but total energy is conserved D. Change in velocity per unit time

3.

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

4.

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

5.

What energy does a moving object have?A. Kinetic energy B. Inertia C. Change in velocity per unit time D. Mass times velocity

6.

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

7.

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

8.

What is power?A. It stays constant while wavelength decreases B. Kinetic energy C. Mass times velocity 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 17
  1. What does Newton's first law describe?Inertia
  2. What does electric current measure?Rate of charge flow
  3. What is acceleration?Change in velocity per unit time
  4. What is momentum?Mass times velocity
  5. What energy does a moving object have?Kinetic energy
  6. What happens to wave speed when frequency rises in the same medium?It stays constant while wavelength decreases
  7. What does conservation of energy mean?Energy changes form but total energy is conserved
  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.