Lab Safety
Investigations
Elements
Compounds
Metals, Nonmetals, & Metalloids
100
These are worn to protect your eyes.
What are safety google/glasses?
100
An educated guess.
What is the Hypothesis?
100
A pure substance which cannot be broken down into other elements.
What is an element?
100
Compound
What is a substance that contains two or more different elements bonded together?
100
This sample is dull, malleable, & a semiconductor.
What is a metalloid?
200
This is worn to protect your clothes.
What is a lab apron?
200
Variables that you do not want to change.
What are constant/control variable?
200
O
What is the chemical symbol for Oxygen?
200
Molecule
What is substance composed of two or more atoms bonded together?
200
A description of how much light is reflected from an object.
What is luster?
300
These are worn to protect your hands.
What are lab gloves?
300
The acronym that helps us remember the Independent & Dependent Variables.
What is Dry Mix?
300
Periodic Table of Elements
What is the place where known elements are represented called?
300
CO
What is Carbon Dioxide?
300
This sample is shiny, malleable, & a good conductor.
What is a metal?
400
Don't touch anything until the teacher gives instructions.
What do you do when you walk in the science lab?
400
Variable that responds to the manipulation we make.
What is Dependent Variable?
400
Gold
What is Au the symbol for?
400
NaCl
What is Sodium Chloride/Salt?
400
The opposite of bends without breaking.
What is brittle?
500
This is never allowed in the lab.
What is horsepla/eating & drinking?
500
Variable that is manipulated.
What is the Independent Variable?
500
One atom of oxygen bonded with two atoms of hydrogen.
What is H2O
500
This sample is dull, brittle, & an insulator.
What is a nonmetal?
M
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u