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Science Concepts and Evidence

Grade 11 · On-level practice · 8 questions · Version PG-1B2IXKP-5PQZ

1.

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

2.

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

3.

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

4.

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

5.

What energy does a moving object have?A. Kinetic energy B. Energy changes form but total energy is conserved C. Change in velocity per unit time D. Rate of energy transfer or work

6.

What does electric current measure?A. Rate of charge flow B. Change in velocity per unit time C. Inertia D. Rate of energy transfer or work

7.

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

8.

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

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 16
  1. What does Newton's first law describe?Inertia
  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 energy does a moving object have?Kinetic energy
  6. What does electric current measure?Rate of charge flow
  7. What is momentum?Mass times velocity
  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.