Chapter 1 Flashcards

0
Q

What’s the control group?

A

Group that isn’t exposed to the independent variable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

What is the Scientific Method?

A

Steps to conduct an experiment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What’s the dependent variable?

A

What’s being measured

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What’s the independent variable?

A

What’s being manipulated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are constants?

A

What stays exactly the same throughout the whole experiment.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are 6 classifications of matter?

A

Liquid, gas, solid, compound, element, mixture.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What’s a chemical change?

A

Change on a molecular level

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What’s a physical change?

A

Changes in the states of matter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What’s Chemistry?

A

Study of matter and it’s interactions with other matter.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What’s matter?

A

Anything that has mass and volume

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What’s mass?

A

Quantity of matter in an object

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What’s volume?

A

Space an object occupies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What’s weight?

A

Force produced by the gravity acting on a mass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are 2 types of pure substances?

A

Elements and compounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What’s a compound?

A

Composed of 2 or more types of an atom and can be broken down.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What’s the derived unit for speed?

A

m/s

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What’s the derived unit for area?

A

m^2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What’s the derived unit for volume?

A

m^3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What are the 2 derived units for density?

A

g/cm^3 g/mL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What’s the equation of mass?

A

D x V

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What’s the equation for density?

21
Q

What’s the equation for volume?

22
Q

What’s an atom?

A

Smallest unit of an element that maintains the properties of that element

23
Q

How many different types of elements?

24
H2, N2, O2 are all examples of what?
Diatomic elements
25
What's an allotrope?
One of a number of different molecular forms of an element
26
Whats a mixture?
Combination of 2 or more substances that are not chemically combined
27
What's a homogenous mixture?
Composed of 2 of more components that are equally distributed
28
What are examples of homogeneous mixtures?
Salt dissolved in water, soapy water, alcohol and water.
29
What's a heterogeneous mixture?
Composed of 2 or more components that are not distributed equally
30
What are examples of heterogenous mixtures?
Sand and water carbonated drinks, orange juice with pulp.
31
What's the first step of the scientific method?
Problem
32
What's the second step of the scientific method?
Research
33
What's the third step of the scientific method?
Hypothesis
34
What's the fourth step of the scientific method?
Experiment
35
What's the fifth step of the scientific method?
Analyze
36
What's the sixth step of the scientific method?
Conclusion
37
What's the seventh step of the scientific method?
Communicate
38
What's the SI unit for length?
M
39
What's the SI unit for mass?
K
40
What's the SI unit for time?
S
41
C9H8O4 is an example of what kind of formula?
Molecular
42
Can compounds be broken down?
Yes
43
What is quantity?
Deals with the numerical values
44
What are physical characteristics of a solid?
Fixed volume and shape
45
What are physical characteristics of a liquid?
Fixed volume and no fixed shape
46
What are physical characteristics of a gas?
No fixed volume or shape
47
What's do you use to do unit conversions?
M k h da (base) d c m u n p
48
What's a easy way to remember M k h da (base) d c m u n p?
Mikayla knows how daisy drinks chocolate milk using no problems
49
Define molecular and structural formulas.
Molecular: about what makes up a compound Structural: how atoms are connected