Scientific Method
Physical Properties of Matter
States of Matter
Variables
Definitions
100
What is the first step in the scientific method (according to Ms. O?)
Observation
100
What is the equation for density?
mass divided by volume.
100
What are the 3 states of matter?
Solids, liquid, gas
100
What are the 3 variables we have talked about so far?
Independent, dependent, control/constant.
100
Chemistry is the study of _______?
Matter
200
What are the two parts of the scientific method in the experiment section?
Materials and Procedure
200
What is the equation for density?
mass divided by volume.
200
If you're moving from a solid state to a liquid state it is called ______.
Melting
200
One of the variables we use in experiments is what we measure. Which one is it?
Dependent variable.
200
Matter is anything that has _________ and takes up ________.
mass, space.
300
An experimental question should be framed so that you can identify the ____________ variable and the _____________ variable.
Independent, dependent.
300
What instrument do scientists typically use to find the mass of an object?
Triple beam balance.
300
At what state are the particles in matter moving the fastest?
Gas
300
Our 6th grade students watched a cartoon either alone or with others and then rated how funny they found the cartoon to be. What was the independent variable?
Whether they watched cartoons alone or with friends.
300
Which is bigger atoms or molecules?
Molecules.
400
In the engineering scientific method you don't create a hypothesis instead you design a __________.
Prototype
400
1 way to find volume is to multiple lXwXh. What is the name of the other way to calculate volume?
water displacement.
400
What is it called when a substance moves from a liquid to a gas state?
Evaporation
400
The more time 6th graders spend using social media, the less able they are to express themselves in conversation. What is the dependent variable?
Likelihood they are to express themselves in conversation.
400
What is the definition of density?
the amount of matter in a given space or volume.
500
What is the last step in the scientific method?
Communicate results.
500
The mass of Ms. O's tesserect is 35g, the volume of her tesserect is 17cm3. What is the volume of Ms. O's version of Loki's favorite weapon?
2.06 g/cm3...ish
500
What is a change of state directly from a gas to a solid?
Deposition (de-sublimation)
500
Does drinking energy drinks make people more aggressive? What are 2 control variables?
Type of energy drink, age of participants, how much caffeine is in each drink, how much sugar is in each drink, how you measure aggressiveness.
500
Mass and weight are different. What is weight dependent on?
Gravitational force exerted on an object.