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Grade 3 · Science · Unit 1 of 10

Science Skills & Safety

Fair tests, safety, design and coding

What your child practises

Making predictions and observations, running a fair test that changes one thing, using simple tools safely, the engineering design steps, debugging a simple program, and how science helps solve real problems.

Nunavut Curriculum approved guide: NWT Science and Technology K–6 (2004), Physical science · measuring, doing investigations and using materials safely

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

    A prediction is…

    🔮
    • the final answer
    • a list of tools
    • what you did
    • a guess about what will happen, based on what you know

  2. Question 2

    Is it a safe or an unsafe way to do science? Tap an item, then tap its basket.

    Sort into: ✅ safe · ⚠️ unsafe

    • 🥽wearing goggles when mixing
    • 🙋telling the teacher about a spill
    • 📋skipping the directions
    • 💦leaving a spill on the floor
    • ✂️running with scissors
    • 💇tying back long hair near a flame

  3. Question 3

    In a fair test about how fast a car rolls, you keep the ramp, the car and the floor the same. What do you change?

    🏎️
    • one thing, like the slope
    • the ramp, car and floor
    • nothing
    • everything

  4. Question 4

    Smart thermostats use technology to control a home's heat. What is one impact?

    🌡️
    • they stop all winters
    • they make the home colder in every case
    • they need no electricity
    • they can help save energy

  5. Question 5

    Which job might use science and technology to keep people safe?

    ⚡
    • a person who only sleeps
    • a scarecrow
    • an electrician checking wiring
    • a person who never works

  6. Question 6

    Put the engineering design steps in order.

    • ❓define the problem
    • 🔨build a model
    • ✏️plan and draw a design
    • 🧪test it
    • 💡improve it and share

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