Collecting data requires making an _______________ using the senses.
observation
100
If you drop a glass cup and it smashes on the ground- is this a physical or chemical change?
physical
100
One of these is not matter: dust, air, steam, gravity
What is gravity
200
What is volume?
The amount of space occupied by an object
200
What are some units that are used to measure liquid volume?
milliliters, liters, ounces
200
This law of logic requires that a statement be either true or false, but not both simultaneously.
The law of the excluded middle
200
List 3 physical properties of water?
colorless, liquid at room temp, density of 1g/ml, odorless, can dissolve sugar and salt.
200
Why are light, love, electricity, and magnetic force not matter?
they are energy, emotions and forces- not matter
300
What is weight?
A measure of the gravitational force exerted on an object.
300
What is the name of the kind of scale you use to measure mass?
triple beam balance
300
I see a student standing in the hallway by himself and he looks very unhappy. I think that he is a person who would like a friend to talk to...
what scientific process are you using to make this conclusion?
inference
300
What are some indicators of a chemical change?
color change, bubbling, sound, light, heat
300
What do we call that thing with all of the elements listed on it?
periodic table
400
What is mass?
The amount of matter something has.
400
What is the name of the sophisticated device we used to measure the size of the metals in our measurement lab?
caliper
400
"I do not know anything." is a statement that demonstrates what logical fallacy?
It is self-defeating (or self-refuting)
400
Are the following properties chemical or physical?: flammability, reacts with vinegar, turns black when you add iodine?
chemical
400
This is the smallest unit of an element that still has the properties of an element?
what is an atom?
500
What are the two primary classes of matter?
Pure Substances and Mixtures.
500
If a cube of wood has a mass of 20.0 g and a density of 0.75 g/mL, what is its volume?
27 mL
500
What type of reasoning do scientists most often use?
Abductive reasoning
500
What is the difference between an extensive and intensive property?
Extensive properties depend upon the amount of the substance, while intensive properties do not depend upon the amount of substance.
500
Nebuchadnezzar was an ancient king of Babylon who conquered Jerusalem in 586 BC and may have suffered from poisoning due to which element?