What is a physical change?
a physical change happens when matter changes but does not but does not form something new.
What are the three states of matter?
The three states of matter are solid, liquid, and gas.
A physical property is anything about an object that can be observed with your senses.
What causes solids to become liquids?
Heat.
What is a mixture?
A mixture is two or more kinds of matter that are combined.
What is a gas?
A gas has no definite shape or volume.
What is mass?
Mass is the amount of matter in an object.
What does it mean when we say something melts?
It changes to a liquid.
What is a chemical change?
A chemical change happens when matter changes into a new kind of matter.
What is a liquid?
What is matter?
Matter is anything that has mass and takes up space.
What happens when gas changes to a liquid?
It is called condensation.
What kind of change happens when an egg cooks?
A chemical change.
What is a solid?
A solid is something that has a definite shape and volume.
What is volume?
Volume is the amount of space an object takes up.
What happens when water is boiled?
It changes to a gas called water vapor.
What kind of change happens when ice cream melts?
A physical change.
Name one example of a solid, a liquid, and a gas.
(answers will vary)
What are 2 examples of physical properties?
Examples include color, size shape, hardness, texture, temperature, mass, and volume.
What happens when a liquid changes to a gas?
It is called evaporation.