Changing Materials

1. To put together something means to ________________ it.
4. Sometimes you can change the ___________ of matter.
5. A _____________ is something about an object you can observe with your senses.
6. The arctic, where the polar bears live has both liquid water and _________ ice.
8. Sometimes you can _______ the change you make in matter. Sometimes you cannot.
9. A ________________ is a tool that measures how hot or cold it is.
11. Freezing orange juice into ice pops is a ______________ change.
13. Structural engineers __________ things you use every day.
15. When you cut a banana, you ___________ change it back to a whole banana.

2. Structural engineers pay attention to the _____________ they use to build things.
3. __________________ is a property of matter because we can observe hot or cold with our sense of touch.
7. ___________ is anything that takes up space.
10. Sometimes when you make a chance in matter the object looks different from its _____________ shape or form.
12. When you boil water, you are changing the water from a ___________ to a gas.
14. There is a ___________________ you have to follow in order to correctly put something together.