stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Matter & Water Quality Flashcards | StudBud
Explore
/
Matter & Water Quality
Matter & Water Quality
20 terms
·
StudBud Administration
·
334 plays
Matter reviews: watersheds, water, & scientific method #matter #atom #chemicalchanges #molecule
Flashcards
20 cards
F
Practice quiz
P
Host live
L
Questions
20
Answers
1
What is the atomic mass of helium?
6
4
4.2
2
2
Electrons have a _____ charge.
neutral
negative
positive
3
Nitrates in water come from _____.
fertilizer
detergents
plants
pesticides
4
H is the chemical symbol for _____.
water
helium
hydrogen
mercury
5
How many neutrons are in beryllium?
4
9
13
5
6
Water is called the _____ because it dissolves so many substances.
universal solvent
liquidator
super dissolver
universal problem solver
7
How many carbon atoms are in this chemical formula?
4
3
1
2
8
Neutrons have a _____ charge.
negative
positive
neutral
9
Chemical equations are used to represent _____.
physical changes
chemical properties
chemical changes
physical properties
10
Two or more elements chemically combined are called a(n) _____.
compound
atom
mixture
element
11
Which type of property is the
BEST
for water quality?
riparian buffer
farm
wetland
parking lot
12
Which watershed do we live in?
Chesapeake Bay
Mississippi River
Atlantic Ocean
Black's Run
13
A paper clip doesn't sink into the water because of _____.
capillary action
cohesion
adhesion
surface tension
14
Protons have a _____ charge.
positive
neutral
negative
15
Identify the
dependent variable
: If the height of the ramp increases, then the roll increases.
height of ball
type of ball
height of ramp
length of roll
16
What color are the protons in this atom model?
gray
yellow
red
17
A type of matter made up of only one type of atom is called a(n) _____.
element
molecule
mixture
compound
18
Water molecules are cohesive because _____.
of adhesion
water molecules are polar
water molecules are strong
they dissolve so many substances
19
How many electrons are in this atom?
6
18
4
12
20
A high amount of phosphates is good for water quality.
true
banana
false
