Show:
Properties
States
Changes
Experiments
100
Which state of matter keeps its shape unless a force is added?
solid
100
How many states of matter are there?
3
100
An ice cube changing to water in the hot sun is an example of _____________.
melting
100
What is one way to melt an ice cube?
Hold it in your hands, put it under a light, rub it in your hands, put it in warm water, sit on it, break it into smaller pieces
200
Which state of matter flows?
liquid
200
Which state of matter is a guitar?
solid
200
A pond changing to an ice rink in cold weather is an example of _______________.
freezing
200
Why do chocolate chips melt faster in your mouth than under a light?
Your mouth has more heat than the lightbulb.
300
Describe the texture of a liquid.
wet or gooey
300
Which state of matter is oil?
liquid
300
A puddle "disappearing" on a sunny day is an example of ____________.
evaporation
300
What will happen if you add ice to a cup of water?
Condensation (water will form on the outside of the glass)
400
Which states of matter take the shape of their containers?
Liquids and gasses
400
Which state of matter is butter?
solid or liquid *explain*
400
Your warm breath changing to liquid on a cold mirror is an example of ________________.
condensation
400
What will happen if you paint with water on a sunny day?
Evaporation (the water will become air so it seems to disappear)
500
What is viscosity?
Viscosity measures how quickly and easily a liquid flows.
500
Which state of matter is helium?
gas
500
Explain why ice cold drinks become wet on the outside of the glass.
The warm air around the glass cools down when it hits the icy cold glass and condenses into a liquid.
500
Which liquid is more viscous: oil or glue?
glue