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Mid Nine Weeks Review Flashcards | StudBud
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Mid Nine Weeks Review
Mid Nine Weeks Review
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Physical Science Review- Scientific method, measurement & matter
Flashcards
23 cards
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Questions
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Answers
1
When solid matter increases its energy and becomes a liquid
exothermic
endothermic
2
An unknown substance tastes bitter and has a pH of 10. This substance must be a(n) _____
base
acid
salt
element
3
The phase change from a liquid to a gas is called...
sublimation
condensation
evaporation
melting
4
Which state of matter do the particles have the most energy?
gas
solid
liquid
5
How do you find density
mass/ volume
mass + volume
mass x volume
mass- volume
6
During a phase change...
energy changes and temperature stays the same
energy and temperature stay the same
energy and temperature change
energy stays the same and temperature changes
7
If the hypothesis was "Plants need light to grow" then the independent variable would be...
sunlight
height of the plant
light
age of the plant
8
A phase of matter that has a fixed volume but not a fixed shape.
gas
solid
liquid
9
What type of change is this?
chemical
physical
10
how can you change the mass of an object?
leave it alone
add matter
take away matter
add or take away matter
11
If mass increases then inertia
decreases
increases
stays the same
12
Convert 49.6g --> ____kg
49600
0.0496
496000
.0496
13
What type of change is this?
physical
chemical
14
NaCl is _____
acid
salt
base
mixture
15
What is the volume of the hammer?
69mL
65mL
5mL
4mL
16
Which process is used by nuclear power plants to produce low cost, long lasting energy?
nuclear fusion
nuclear detonation
neutron combination
nuclear fission
17
Anything that has mass and takes up space is called...
volume
matter
energy
mass
18
The part of the experiment that stays the same for all trials and test is called
control
constant
variable
19
Which substance is the densest?
water
pasta
paperclip
corn syrup
20
Color, texture, volume, and mass are examples of ...
European automobiles
American motors
physical properties
chemical properties
21
How much space something takes up is called...
matter
mass
volume
density
22
A phase of matter that has a fixed shape and a fixed volume.
gas
liquid
solid
23
What does this measure
mass
density
volume
