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Physical Science Units 4-7 GMA Review Flashcards | StudBud
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Physical Science Units 4-7 GMA Review
Physical Science Units 4-7 GMA Review
76 terms
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StudBud Administration
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280 plays
Review of waves, energy, matter, & periodic table
Flashcards
76 cards
F
Practice quiz
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Host live
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Questions
76
Answers
1
What section of the graph indicates melting?
4
1
3
2
2
What voltage produces I=65 amps and R=25Ω?
2.6 V
90 V
40 V
1625 V
3
The tool shown below, an electroscope, is used to show what?
The object can make sound
The object can conduct heat
That the object conducts electricity
That an object has a charge
4
The energy of a wave is directly proportional to its:
speed
wavelength
frequency
amplitude
5
Sodas are made up of water, sugar, flavoring, and CO
2
. Which of these is the solvent?
Flavoring
Sugar
Water
CO2
6
Blue litmus paper turns red
Base
Acid
7
Water evaporating
physical property
physical change
chemical property
chemical change
8
What color would be reflected off of the object in the picture?
orange
yellow
green
blue
9
Using Gay-Lussac's Law, describe what happens to pressure as temperature increases.
Temperature is constant, so pressure increases
Volume is constant, so pressure increases
Temperature is constant, so pressure decreases
Volume is constant, so pressure decreases
10
What type of electromagnetic waves come from heat lamps?
visible
infrared
gamma
ultraviolet
11
A wave with a λ of 15m travels with a V of 330 m/s. What is F?
345 Hz
315 Hz
22 Hz
4950 Hz
12
Ice melting
chemical property
physical property
chemical change
physical change
13
What is I for a circuit if a 3V batter is connected with a resistor of 15Ω?
5 amps
12 amps
45 amps
0.2 amps
14
What section of the graph indicates condensation?
2
4
1
3
15
What type of event changes the size and shape of an object, but NOT what is it made of?
physical
chemical
16
What color would be reflected off of the object in the picture?
red
yellow
green
blue
17
What property of waves is shown in the picture below?
Refraction
Destructive interference
Diffraction
Constructive interference
18
When two waves interact and combine to form a single, larger wave
Refraction
Destructive interference
Constructive interference
Diffraction
19
What type of event changes the atomic makeup of a substance?
physical
chemical
20
What happens to wavelength as frequency increases?
Increases
Decreases
Stays the same
21
Burns
Acid
Base
22
What type of matter is the picture showing?
Homogeneous mixture
Compound
Heterogeneous mixture
Element
23
Color
physical change
physical property
chemical property
chemical change
24
At what point is the substance a gas?
1
3
5
4
25
Solubility
chemical change
physical change
physical property
chemical property
26
Burning a log
physical property
physical change
chemical change
chemical property
27
A piece of blue paper appears blue because:
it reflects blue light & absorbs other colors
it is transparent to all colors but blue
it absorbs blue light & reflects other colors
it refracts all colors but blue
28
What type of matter is air?
Compound
Element
Heterogeneous mixture
Homogeneous mixture
29
Tastes bitter
Acid
Base
30
Sugar dissolving
physical property
physical change
chemical change
chemical property
31
Which of the following is a
chemical
property of iodine?
It is a solid at room temperature
It is purple as a gas
It reacts with starch to give a blue color
It is silver or black as a solid
32
A sample of aluminum has m=27 g. When placed in water, the v=10 mL. What is the density?
270 g/mL
2.7 g/mL
17 g/mL
37 g/mL
33
In a solution of salt water, what is the solvent and solute?
Water-solute, Salt-solvent
Water-solvent, Salt-solute
34
High pH
Base
Acid
35
pH greater than 7
Acid
Base
36
What happens to the voltage running through the wire as it moves from left to right?
Decreases
Increases
Stays the same
37
The object shown in the picture below is a(n):
Generator
Electromagnet
Transformer
Electric motor
38
What color would be reflected off of the object in the picture?
yellow
green
blue
orange
39
What section of the graph indicates freezing?
4
3
2
1
40
Which of the following does light travel the fastest through?
solid
liquid
empty space
gas
41
NaCl, or table salt, cannot be separated by physical means. What type of matter is it?
Heterogeneous mixture
Compound
Homogeneous mixture
Element
42
Rusting
physical change
physical property
chemical property
chemical change
43
What type of wave is shown?
Transverse
Compressional
Light
This isn't a wave
44
Red litmus paper turns blue
Acid
Base
45
Feels slippery
Acid
Base
46
Which of the following will increase solubility of solids in liquids?
Stirring
Heating
Crushing
Increased pressure
47
What happens if you remove one light bulb from the circuit shown below?
The first bulb will go out but others stay on
All bulbs stay on and will be equally bright
All bulbs stay on but will have different brightness
All the bulbs go out
48
What is the difference between a motor and a generator?
A motor makes electricity, a generator uses electricity
A motor uses movement for an energy source
A generator makes electricity, a motor uses electricity
A generator uses fuel for an energy source
49
Which of the following does sound travel the fastest through?
solid
gas
liquid
empty space
50
What type of wave is shown?
Transverse
Sound
Longitudinal
Compressional
51
Which type of electromagnetic wave has the longest wavelength?
Infrared waves
Radio waves
Gamma rays
Microwaves
52
How many g of NaClO
3
would make a saturated solution at 20*C?
90 g
150 g
160 g
110 g
53
Low pH
Acid
Base
54
What type of matter is the solution, made of sugar and water, shown in the video?
Element
Homogeneous mixture
Compound
Heterogeneous mixture
55
At what temp would 70g of KBr create a saturated solution?
40*C
90*C
110*C
25*C
56
Can be classified as strong or weak
Acid
Base
57
In Charles' Law, what happens to volume when temp increases?
Pressure is constant, so volume increases
Volume is constant so pressure decreases
Pressure is constant, so volume decreases
Volume is constant, so pressure increases
58
A wave traveling in water has a F of 500Hz and a λ of 3m. What is V for the wave?
497 m/s
1500 m/s
167 m/s
503 m/s
59
Sour taste
Acid
Base
60
Using Boyle's Law, describe what happens to volume as pressure decreases.
Temperature is constant, so volume increases
Volume is constant, so temperature decreases
Volume is constant, so temperature increases
Temperature is constant, so volume decreases
61
When two waves interact and combine to form a single, smaller wave
Refraction
Diffraction
Constructive interference
Destructive interference
62
If a solution of KNO
3
has 100 g of solute at 40*C
Supersaturated
Unsaturated
Saturated
63
Melting is a physical change but burning is a chemical change. What is the difference?
Melted substances can be separated while solids cannot
A higher temp is needed to burn than melt
Melted substances are in a different phase of matter
Burning forms new compounds while melting does not
64
Combustibility
physical property
chemical property
physical change
chemical change
65
Look at the picture
3
2
4
1
66
Can be corrosive
Acid
Base
67
What property of waves is shown in the picture below?
Diffraction
Destructive interference
Refraction
Constructive interference
68
What is the λ of a sound wave with F=120 Hz and V=300 m/s?
36000 m
180 m
2.5 m
420 m
69
A sound wave with a high amplitude will be:
Quiet
Loud
Amplitude doesn't affect how loud a sound is
70
A toaster uses 110 volts and has a resistance of 10Ω. What is the I?
100 Amps
11 Amps
120 Amps
1100 Amps
71
Mechanical waves, such as water:
Do not require a medium
Require a medium
72
At what point is the substance a solid?
3
5
2
1
73
What color(s) would be absorbed by the object in the picture?
red
blue
green
yellow
74
At what point is the substance a liquid?
1
5
3
2
75
Which type of electromagnetic wave carries the most energy?
Visible light
Ultraviolet waves
Radio waves
Gamma rays
76
What section of the graph indicates evaporation?
1
3
2
4
