Simple Changes to Matter
Does a physical change turn the matter into something new?
No, a physical change only changes it's shape.
What is water called when it freezes?
Ice.
What is movement?
Movement is when something changes position, ie "moves."
What is a magnet?
A magnet is an object that can pull things toward it using an invisible force (magnetism.)
What is light?
A form of energy that we can see.
(we can see a little of it...)
What are some ways we can cause physical changes?
(verbs)
Bend, Tear, Mix, Separate...etc
What is it called when a liquid turns into a solid?
Freezing.
What is distance?
Distance is how far something moves.
When a magnet pulls something, it is called...
(verb)
Light casts a _________ when it's blocked by something.
What is it called when we mix two or more solids together?
A Mixture
What is it called when a solid turns into a liquid?
Melting.
How do we measure distance?
In centimeters, meter and kilometers.
When a magnet pushes something away, it is called...
repel.
When light bounces off of something it is called...
(verb)
reflect
What is it called when we mix liquids and solids (that dissolve) or liquids and liquids?
A Solution
What is it called when a liquid turns into a gas?
Evaporating.
What is duration?
Duration is how long (time) something happens.
What tool to humans use to find where to go using magnets?
A compass.
How do rainbows happen?
Light is bent (refracted) by water in the air and splits into each visible color.
What are all five states of matter called?
Solids, Liquids, Gases, Plasma, Condensates
What temperature does stainless steel melt at?
1510 degrees Celsius.
What is speed and how is it measured?
Speed is how fast something is going
It is measured by dividing distance by duration.
What kinds of metals are attracted to magnets?
(ferromagnetic)
Iron, Cobalt, Nickel
What is the speed of light?
~ 300,000km per second.