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Grade 5 · Science · Unit 1 of 10

Healthy Choices

Food, sleep, air and technology

What your child practises

How sleep, activity, air quality, sun, sound and food choices affect health, how technologies help or harm, and reading labels.

Saskatchewan Curriculum outcome: HB5.1 · factors that affect a healthy body

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

    Why do doctors use X-rays?

    • To see bones and other parts inside the body
    • To measure how fast you can run
    • To listen to your heartbeat
    Show answer

    To see bones and other parts inside the body

    Hint: X-rays pass through soft tissue but are blocked by bone, making a picture of the inside.

  2. Question 2

    What does sunscreen help protect your skin from?

    • Harmful ultraviolet (UV) rays from the Sun
    • Germs in the air
    • Loud noise
    Show answer

    Harmful ultraviolet (UV) rays from the Sun

    Hint: UV rays can burn skin. Sunscreen blocks or absorbs some of them.

  3. Question 3

    What does a Nutrition Facts table on a food package tell you?

    • Where the food was grown
    • How much of each nutrient is in one serving
    • When you should eat it
    Show answer

    How much of each nutrient is in one serving

    Hint: It lists things like sugar, sodium and fibre for a set serving size.

  4. Question 4

    About how much sleep does a child aged 5 to 13 need each night?

    • 9 to 11 hours
    • 6 to 7 hours
    • 4 to 5 hours
    Show answer

    9 to 11 hours

    Hint: Growing bodies and brains need more sleep than adults do. Canadian guidelines suggest 9 to 11 hours.

  5. Question 5

    An ad shows a sugary snack with cartoon characters. Which food-literacy skill helps most?

    • Choosing the brightest package
    • Buying whatever is shown most often
    • Asking what the ad wants me to do, then checking the label
    Show answer

    Asking what the ad wants me to do, then checking the label

    Hint: Ads are made to sell things. The label gives facts you can compare.

  6. Question 6

    Sitting hunched over a tablet for hours can strain which body parts?

    • Knees and ankles only
    • Teeth and ears
    • Neck and back
    Show answer

    Neck and back

    Hint: A bent posture holds the neck and back muscles in one position for too long.

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