iStarSign inScience 4 · Unit 1: Living things · Cambridge Primary Science Stage 4
1.2 Why we need a skeleton
21 questions · e.g. What is a fracture?
Questions
1. What is the function of the skull?
Check2. What is the function of the ribs?
Check3. What is the function of the arm bone?
Check4. What is the function of the spine?
Check5. Which are three reasons why a skeleton is important?
- It makes us hungry, sleepy and thirsty.
- It supports the body, protects organs and lets us grow.
- It digests food, cleans the blood and helps us breathe.
- It keeps us warm, dry and clean.
6. Why can't we squash our body easily, like a soft toy?
- Our skin is very hard.
- Our skeleton makes the body firm.
- Our muscles are made of bone.
- Our organs are full of air.
7. Why do children get taller as they get older?
- Their bones grow longer and thicker.
- They grow more bones every year.
- Their skin stretches.
- Their muscles push them up.
8. At about what age do our bones stop growing?
- at about 5 years old
- at about 10 years old
- at about 18 to 20 years old
- never, they keep growing all our life
9. What would happen to a baby if its skeleton did not grow?
- The baby would not get any bigger.
- The baby would grow faster.
- The baby would grow new bones instead.
- Nothing would change.
- Check
11. Sami fell off his bike and his arm hurts. How can a doctor find out if a bone is broken?
- by looking at his skin
- by taking an X-ray
- by measuring his arm with a tape measure
- by taking his temperature
12. How does a broken bone mend?
- The broken ends slowly grow back together.
- The doctor glues the ends together and it is mended at once.
- A new bone grows in a different place.
- It never mends.
13. Why can some animals with skeletons grow very big, while worms are usually small?
- Big animals have more muscles than bones.
- Worms eat less food than other animals.
- Worms live underground, where there is no room to grow.
- A skeleton supports a big body. A worm has no bones to hold it up.
📖 This question is about a text that students read in the app.
14. Look at the chart. Who has the longest upper arm bone?
Check📖 This question is about a text that students read in the app.
15. Look at the chart. How long is the shortest upper arm bone?
Check📖 This question is about a text that students read in the app.
16. Nasreen's two brothers are Ahmed and Ali. Which brother is the oldest?
- Ali, because his name comes last
- They are the same age.
- Ahmed, because his arm bone is shorter
- Ali, because his arm bone is longer (27 cm) than Ahmed's (14 cm)
📖 This question is about a text that students read in the app.
17. Put Nasreen and her brothers Ahmed and Ali in age order, oldest first.
Check📖 This question is about a text that students read in the app.
18. Who are Nasreen's parents?
Check📖 This question is about a text that students read in the app.
19. Look at the chart. Meshack and Fatima are Nasreen's parents. How can you tell from the chart?
- Their bones are the longest, because adults have bigger skeletons than children.
- Their bones are the shortest.
- Their names come first in the chart.
- Their bones are the same length.
📖 This question is about a text that students read in the app.
20. Which job of the skeleton does the arm bone chart show?
- The skeleton protects the brain.
- The skeleton grows as we grow.
- The skeleton helps us move.
- Muscles are joined to bones.