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Science Concepts and Evidence

Grade 11 · On-level practice · 8 questions · Version PG-YZ0N7E-5PQZ

1.

What is acceleration?A. Inertia B. Energy changes form but total energy is conserved C. Mass times velocity D. Change in velocity per unit time

2.

What does Newton's first law describe?A. Inertia B. Mass times velocity C. Kinetic energy D. Rate of energy transfer or work

3.

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

4.

What does electric current measure?A. Energy changes form but total energy is conserved B. Rate of energy transfer or work C. Rate of charge flow D. It stays constant while wavelength decreases

5.

What happens to wave speed when frequency rises in the same medium?A. Energy changes form but total energy is conserved B. Change in velocity per unit time C. It stays constant while wavelength decreases D. Inertia

6.

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

7.

What energy does a moving object have?A. Change in velocity per unit time B. Energy changes form but total energy is conserved C. Kinetic energy D. It stays constant while wavelength decreases

8.

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

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.