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Science Concepts and Evidence

Grade 11 · On-level practice · 8 questions · Version PG-1BMI4YN-5PQZ

1.

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

2.

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

3.

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

4.

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

5.

What energy does a moving object have?A. Rate of energy transfer or work B. Kinetic energy C. Rate of charge flow D. Change in velocity per unit time

6.

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

7.

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

8.

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

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 conservation of energy mean?Energy changes form but total energy is conserved
  2. What is power?Rate of energy transfer or work
  3. What is acceleration?Change in velocity per unit time
  4. What does Newton's first law describe?Inertia
  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 electric current measure?Rate of charge flow
  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.