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3rd grade · Science · Unit 5 of 8

Energy on the Move

How energy moves and how we sense it

What your child practices

Practices energy sources, how energy moves from a source to an object or living thing to cause action, and how people use their senses to detect heat, light and sound.

Arizona Academic Standards learning standard: 3.P4U1.3 · light and sound carrying energy from place to place

How we explain it

Children can open this short lesson before they practice.

  1. Energy moves from a source to an object and makes things happen.
  2. Cars use fuel. Toasters use electricity to make heat.
  3. Our senses detect energy: skin feels heat, eyes see light, ears hear sound.

Example: A toaster uses energy to make bread…? Toasters turn electricity into heat. Answer: hot

Energy on the Move in Arizona

In the Arizona Academic Standards, this is unit 5 of 8 in 3rd grade Science, after Adaptations & Habitats and before Energy from the Sun.

Gradelings describes a child's practice on this unit as Beginning, Approaching, Meeting or Exceeding (Four practice steps). That reflects practice, not a report-card mark: the teacher decides the mark.

Source: Arizona Department of Education

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

  1. Question 1

    Which of these is a source of energy?

    • the Sun
    • a pillow
    • a book

  2. Question 2

    A solar panel collects energy from…

    • sunlight
    • sound only
    • wind only

  3. Question 3

    What is the main source of energy for Earth's living things?

    • the wind
    • the Sun
    • the Moon

  4. Question 4

    A microphone detects which energy?

    • sound
    • smell
    • heat

  5. Question 5

    Which sense helps you notice smoke from a fire?

    • smell
    • taste only
    • hearing only

  6. Question 6

    Why do we wear hearing protection near very loud machines?

    • It makes the machine quiet
    • It helps us see
    • Strong sound energy can hurt ears

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