Change
______________________ _____________________ occurs when a substance is folded, torn, bent, crushed, heated or cooled.
Physical Change
Two ways water can evaporate more quickly:
hot/warm temperatures
moving air
______________________ instrument that measures temperature.
Thermometer
A ________________ fills the container but has no definite shape.
gas
How do molecules look in liquid?
They are close but not touching
________________________ ______________________ occurs when a substance is heated or interacts with another substance.
Chemical Change
If water was in the shade, would it evaporate quickly?
No
Three states of matter:
___________________________
___________________________
___________________________
solid
liquid
gas
Is cooking a steak a chemical or physical change?
chemical change
Can we make a gas with a liquid?
Yes
Everything around us is called ____________________.
Matter
_______________________ is the changing of a gas to a liquid.
Condensation
What can we use to determine an objects mass? _____________________
balance
Is tearing a piece of paper a physical or chemical change?
physical change
What happens to our water bottle when we take it out of the fridge? Why?
Water droplets start to form on the water bottle because of condensation. The cold mixing with the different temp of the room.
When placing liquid water into the freezer, what happens to the molecules?
The molecules start to slow down and lose heat which turns it into ice.
__________________ is the amount of space matter takes up.
Volume
Physical properties of matter: ____________, __________, __________, and is it a ______________, ______________, or ___________________
looks, feels, acts
solid, liquid, gas
How do molecules look in a gas?
Very spread apart
Why does our breath make fog when we breath on a window or mirror?
Hot breath touching the cold window makes condensation.
How does evaporation occur?
The water molecules rise up and turn into water vapor.
A ________________________takes the shape of its container but keeps its volume.
liquid
A _______________________ keeps its shape and volume.
solid
How do molecules look in a solid?
Very close together