Show:
Measurement
Properties of Matter
Elements
Physical & Chemical Changes
Potpourri
100
Base unit to measure mass.
What is gram?
100
The most "tightly packed" and rigid state of matter.
What is a solid?
100
The negatively charged particle in an atom.
What is an electron?
100
The point at which a solid turns into a liquid.
What is melting point?
100
Measure of the amount of space an object takes up.
What is volume?
200
The system scientists use to measure.
What is the Metric System?
200
Because the sugar dissolves into the tea, sweetened iced tea is an example of a:
What is a solution?
200
These move around the nucleus of an atom.
What is electron?
200
Reactants combine together to form a new substance called the:
What is product?
200
Everything in the universe that has mass and takes up space is __________.
What is matter?
300
The base unit used to measure liquid volume.
What is liter?
300
When 2 or more atoms are chemically combined.
What is a molecule?
300
The number of elements in the following molecule: NaCl.
What is 2?
300
Name given to the substances that mix together to form a chemical change.
What is reactants?
300
DAILY DOUBLE!!! Oxidation occurs when oxygen (O) combines with:
What is iron (Fe)?
400
Tool of precision used to measure mass.
What is triple beam balance?
400
The point at which water freezes.
What is 0℃?
400
The number of protons in the element - H - (hydrogen).
What is 1?
400
If combustion takes place, this type of change has occurred.
What is chemical change?
400
Relationship between mass and volume which explores how tightly packed the particles of an object is:
What is density?
500
Tool used to measure liquid volume precisely.
What a dropper?
500
When a solid changes to a gas.
What is sublimination?
500
Two languages used to help develop the names of elements.
What is Latin and Greek?
500
DAILY DOUBLE!!! Three things that can change about a substance in a physical change.
What is mass, volume, density, shape, or state?
500
You do this BEFORE you begin measuring using a triple beam balance.
What is calibrate?