Safety
How can you protect your eyes during a lab?
Safety glasses (goggles)
These are the three common states of matter.
What are solid, liquid and gas?
Appearance and Odor
Physical
Most elements is this phase at room temperature.
Solid
What is the chemical property in this sentence? What was a newly created substance?
The contents of a large, unlabeled can are tested. The contents of the can do not dissolve in water. When placed in acid, the contents of the can bubble and an odor is produced. Based on this information only, which one of the following conclusions can be made?
Reactivity to acid and bubbles and odor.
This is the very first thing to do before beginning any lab or investigation.
What is reading all of the directions/instructions/procedure?
A material's ability to be hammered into thin sheets without breaking.
What is Malleability? (Flexibility, not alexability)
Density and Malleability.
Physical properties.
The particles in this form of matter are spread far apart from each other and rarely touch.
What is a gas?
Kinetic energy decreases when the what of liquid water drops?
What is kinetic energy decreases?
You should tie this back to keep away from equipment if it's long.
Hair
This is the scientific term for the amount of "stuff" or material in an object.
What is mass?
Reactivity.
Chemical property
Scientists make these because they cannot see these particles, but knowing the atomic scale helps them explain the observed properties.
What are models (diagrams, ect.)?
Jane measures a piece of metal and determines it has a mass of 10 grams and a volume of 2cm3
What is the density of the piece of metal?
5 g/cm3
You should use this technique to safely smell a chemical's vapors instead of putting your nose directly over the container.
What is wafting?
The temperature at which a solid turns into a liquid.
What is the melting point?
Flammability.
Chemical property
This describes the particles of a substance at 20 degrees Celcius.
Particles have slight movement, usually touching, fluid, takes the shape of the container, and has a definite volume.
What vocabulary word means the stages from when the product is made until is is disposed of?
What is a life cycle?
What does P.P.E stand for?
Personal Protective Equipment
This is the mass of a substance divided by its volume (mass per unit volume), a property often used to identify an unknown material.
What is density?
Burning a log in a fire place
Chemical
A straight line on a temperature graph would indicate something. What is it? Activity 10 - video
State changing from a solid to a liquid or gas (adding thermal energy) or backwards (taking away thermal energy). What is a state change?
Is CO an element or compound?
Compound. C = Carbon and O = Oxygen