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Density and Scientific Method Flashcards | StudBud
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Density and Scientific Method
Density and Scientific Method
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scientific method and density for physical science
Flashcards
19 cards
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Questions
19
Answers
1
In this class, what unit do we use for measuring volume?
grams
liters
cups
fluid ounces
2
Dependent variable? Changing the amount of baking soda to make the fluffiest cookies
amount of baking soda
cookie fluffiness
oven temperature
number of cookies
3
For an object to float on water, it should have a density _________ than water
Higher
Not enough info
The same
Lower
4
If the mass of an object decreases, but the volume stays the same, what will happen to density?
increases
decreases
not enough info
stays the same
5
What do you need in order to begin the scientific method?
observation
Hypothesis
an experiment
Hands
6
What is a controlled variable?
It's the same as dependent variables.
variable that will be measured
It is the outcome.
variable that's the same between trials
7
Controlled variable? Changing the amount of baking soda to make the fluffiest cookies
oven temperature
cookie fluffiness
number of cookies
amount of baking soda
8
In this class, what unit do we use for measuring mass?
pounds
mililiters
ounces
grams
9
The dependent variable is the.....
thing that's measured
Stays the same
Is known before the experiment
Changed by the scientist
10
How many grams are in a kilogram?
10
0.1
100
1000
11
What is the independent variable
The variable being tested and changed
The variable measured
When you hold something constant
The outcome
12
What is the unit used for density?
g
mL/g
g/mL
mL
13
Why can a hot air balloon float in air?
its density is lower than air
its density is higher than air
its mass is lower than air
its volume is lower than air
14
What is the base unit we will use for measuring mass?
ounces
kilograms
grams
pounds
15
What is the correct formula to calculate density?
volume/mass
volume x mass
mass/volume
mass x volume
16
If the volume of an object increases, but the mass stays the same, what will happen to density?
stays the same
decreases
increases
not enough info
17
what is the density of water?
1 mL/g
1 g/mL
2 g/mL
2 mL/g
18
Independent variable? Changing the amount of baking soda to make the fluffiest cookies
number of cookies
amount of baking soda
Oven temperature
cookie fluffiness
19
Mercury has a density of 13.5 g/mL. What would be the mass of 2 mL of mercury?
13.5 g
not enough info
6.75 g
27 g
