Grade 2 Changing Materials worksheet
from Gradelings · Name: ______________________
How to explain it
- Cutting, bending, melting and freezing change size, shape or state. It is still the same material.
- Cooking, burning and rusting make a new material.
- Ask: can it go back the way it was?
Example: Toasting bread: same material or a new one? Toast can't turn back into soft bread. Heat made something new. Answer: a new one
Question 1
Which is a way to change a material by bending?
- 🍪bake cookies
- ➰curl a pipe cleaner into a ring
- 🕯️burn a candle
➰ curl a pipe cleaner into a ring
Hint: Bending changes an object's shape without making anything new.
Question 2
Why do we cook food?
🍲- cooking changes food so it is safe and tasty to eat
- cooking makes food disappear
- cooking turns food into ice
cooking changes food so it is safe and tasty to eat
Hint: Heat changes food. Many foods are safer and softer after cooking.
Question 3
Which one changes a material by warming it?
- 🧺folding a towel
- 🧈melting butter in a pan
- ❄️freezing water
🧈 melting butter in a pan
Hint: Warming means making something hotter. Butter melts when it gets warm.
Question 4
Which change makes something brand-new that you can't change back?
- 🥤bending a straw
- ✂️cutting paper
- 🍪baking cookie dough into cookies
🍪 baking cookie dough into cookies
Hint: Cooking makes new materials. You can't turn a cookie back into dough!
Question 5
Why would someone cut wood into boards?
- 🌳to make the wood alive again
- 💧to turn the wood into water
- 🪵to build things like a shelf or a birdhouse
🪵 to build things like a shelf or a birdhouse
Hint: We change the shape of materials so we can use them in new ways.
Question 6
Some plants, like berries, can be crushed and mixed with water to make…
- 🪟glass
- 🔩metal
- 🧶dye to colour cloth
🧶 dye to colour cloth
Hint: Crushed plants can give their colour to water. People use it to dye cloth.
Question 7
An iron nail left out in the rain turns orange-brown. This is called…
- 🧊melting
- ❄️freezing
- 🔩rusting
🔩 rusting
Hint: Iron and water and air make rust, a new material. It is a chemical change.
Question 8
Same material or a new one? Tap an item, then tap its basket.
Sort into: ✂️ same material · 🔥 new material made
- 🎂bake a cake
- 🧊melt an ice cube
- ✈️fold a paper plane
- 🥕chop carrots
- 🍞toast bread
- 🔥burn wood in a campfire
✂️ same material: melt an ice cube, fold a paper plane, chop carrots · 🔥 new material made: bake a cake, toast bread, burn wood in a campfire
Hint: Cutting, bending, melting and mixing keep the same material. Cooking and burning make something new.
Question 9
You cut a sheet of paper into strips. What is it still made of?
- 🥤plastic
- 📄paper
- 🪵wood chips
📄 paper
Hint: Cutting changes the shape and size, but the material stays the same.
Question 10
You mix blue and yellow paint. What colour do you get?
- ⚪white
- 🟢green
- 🔴red
🟢 green
Hint: Blue and yellow mixed together make green.
Answer key
- 1. ➰ curl a pipe cleaner into a ring
- 2. cooking changes food so it is safe and tasty to eat
- 3. 🧈 melting butter in a pan
- 4. 🍪 baking cookie dough into cookies
- 5. 🪵 to build things like a shelf or a birdhouse
- 6. 🧶 dye to colour cloth
- 7. 🔩 rusting
- 8. ✂️ same material: melt an ice cube, fold a paper plane, chop carrots · 🔥 new material made: bake a cake, toast bread, burn wood in a campfire
- 9. 📄 paper
- 10. 🟢 green
Want more than 10 questions?
In Gradelings the questions change every time and adjust to your child, with hints and kind feedback.