States of Matter
What are the three most common states of matter?
Liquid, solid, and gas
What has to happen to an ice cube when temperature increases?
It melts and changes from a solid to liquid.
What are properties?
What you can observe or measure about something that helps you identify or describe it
________ is the measure of how light or heavy something is for its size.
Density
What is the definition of matter?
Anything that has mass and takes up space
What is condensation?
When a gas turns into a liquid.
What are some ways to identify properties?
Color, hardness, reflection from light, electrical and thermal conductivity and insulation, magnetism, and solubility.
What occurs when light bounces off an object?
Reflectivity
What is the definition of a solid?
Something that is solid and takes its own shape. They have definite mass, volume, and shape.
What is evaporation?
When a liquid turns into a gas.
What are ways to measure properties?
Mass, time, temperature, and time
Gas has fast moving molecules due to _______.
heat
What is the definition of a liquid?
Does not have a definite shape. Takes the shape pf the space it fills. Does have definite mass and volume.
What has to happen for an liquid to turn into a gas?
Evaporation
What do conductors do?
Conductors allow heat or electricity to flow easily. (Silver, copper, iron, paper clip)
cold
What is the definition of a gas?
Does not have definite mass, volume, or shape. Spreads out to fill the space it is in or around. Can be invisible or smell.
What has to happen for a gas to turn into a liquid?
Condensation
What di insulators do?
Insulators do NOT allow heat or electricity to flow easily. (rubber, glass, oven mitt, cotton ball)
Give an example of a state of matter and explain how you know it is that state of matter.
Answers may vary.