1. A balloon is filled with air. This shows:
2. Which of these is NOT a material or object?
3. Water takes the shape of its container.
4. Match the objects with the material they are made up of: Book-?, Spoon-?, Bottle-?
5. Which of these is natural?
6. Pens are usually made of ______.
7. Which tool is used to measure water?
8. A 1 L bottle can hold ______.
9. Mass means how heavy or light an object is.
10. Which is harder?