Metric System
The Metric System is based off factors of ____
These are the 3 states of matter
Solid, Liquid, and Gas.
This means taking a solid to a liquid.
Melting
Properties that can be observed without changing a substance's identity.
Physical Property
These particles slide off one another.
Liquid
The Metric unit of measurement for temperature is _______
Celsius
This has mass and takes up space.
Matter
These two words are used to describe turning a liquid into a gas.
Boiling and Evaporating
Properties that can only be observed through a chemical change or reaction.
Chemical Property
New chemical properties are created.
Chemical change
The Metric unit of measurement for Mass is _____
Grams
Describe the molecules in all 3 states of matter.
Solid - tight packed, holds its own volume & shape
Liquid - Loose packed, has volume but no shape
Gas - not packed - no shape or volume
All are moving - slow Solid, medium liquid, fast gas
In order to change states of matter, we add or take away ______.
Heat
This type of change is typically reversible.
Physical Change
Flammability.
Chemical Property
The US uses the ________ system.
Imperial
We use our senses to determine these properties.
Observable properties.
Describe how to turn a gas into a liquid and then into a solid.
Take away heat.
A change in the composition of a substance!
Chemical Change
Name the units:
23hg
23 Hectograms
Convert 780mm to cm
78cm
We use tools to determine these properties.
Measurable Properties.
Describe how water bottles sweat.
Cold water in the bottle cools the surrounding air. Water molecules collect as O and H slam into the water bottle and are slowed forming water.
Light is an indicator of what?
Convert 700000mg to hg
7hg