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FINAL Duplicate of Grade 9 Natural Sciences Quiz Flashcards | StudBud
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FINAL Duplicate of Grade 9 Natural Sciences Quiz
FINAL Duplicate of Grade 9 Natural Sciences Quiz
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1
What are the three types of rocks?
igneous, sandstone and granite
Limestone, Conglomerate, and Dolostone
igneous, sedimentary, and metamorphic
Pebbles, Cobblestone, Boulders
2
Carbon and other non-metals are found in which area of the periodic table?
in the middle column of the periodic table
in the bottom rows
on the left-most side
on the right side
3
What other form of energy is produced due to electricity powering a light bulb?
Wind
Electricity
Gravitational Potential
Heat
4
The order of elementss in the periodic table is based on
the number of protons
atomic mass
the electric charge of the nucleus
the number of neutrons in the nucleus
5
Where are the least reactive elements on the periodic table?
Noble Gases
Alkali Metals
6
Acids react with bases to produce salt and water. This reaction is called ..........reaction.
electrolysis
neutralization
combustion
single displacement
7
OHMS LAW V=120V I=4A R=?
4Ω
3Ω
480Ω
30Ω
8
Bases taste sour, while acids taste bitter
True
False
9
When two items are rubbed together using frictional forces what is produced?
Soil
Heat
Air
Water
10
The unit for current is
Watts
Volts
Amps
Ohms
11
What are forces measured in?
Joules
Newtons
Watts
Kilometers
12
A voltmeter is always connected in
series
parallel
13
What is the point of the fossil fuel coal in creating electricity?
To burn to evaporate water, where the steam turns turbines
To burn and then condense
To burn to evaporate water
To burn which makes electricity
14
Ohms law is
Volts = Current x Resistance
Resistance = Ohms x Current
V = Ohms x Resistance
Volts = Current /Resistance
15
Electricity is defined as . . .
a flow of ohms.
the measurement of how difficult it is for charges to flow.
the continuous flow of electric charges through a material.
a device used to measure voltage.
16
Most elements on the periodic table are metals
True
False
17
OHMS LAW V=? I=120A R=3Ω
60V
360V
120V
40V
18
The following element is
Nitrogen
Sodium
Potassium
Nature
19
The two forces acting on a rocket as it blasts off are....
Newtons and mass
Newtons and tension
Mass and angle
Thrust and gravity
20
Which describes a non-contact force?
friction between car tires and the road
baseball being hit by a bat
a train traveling on magnetic tracks
a foot kicking a soccer ball
21
What is the second element on the periodic table?
Carbon
Helium
Oxygen
Hydrogen
22
What is Electricity?
a path for electric current
Movement of protons from one place to another
Build up of electrical charges
The flow of electrons
23
1000k Ohms = Ohms
1 Ohm
100 Ohms
1 000 000 Ohms
100 000 Ohms
24
Power measures:
the force it produces
the rate of doing work
the work it does
strength
25
What surface is best at absorbing heat?
Black surface
White submarine
Brown surface
White surface
26
Allows electricity to flow
insulator
superinsulator
conductor
magnet
27
Non-contact forces are forces acting at a distance
True
False
28
What is the symbol in the periodic table for copper?
Co
Cu
C
Ca
29
What are some properties of Acids?
high pH level, red colour litmus paper
low pH level, red colour litmus paper
high pH level, blue colour litmus paper
low pH level, blue colour litmus paper
30
What energy is sound made of?
Potential energy
Gravitational potential
Vibrations
Electricity
31
The useful energy change in a solar panel is from light to what?
Chemical
Electricity
Energy
Thermal
32
Is water energy renewable?
Yes
No
Maybe
33
Power =
W/t
F/t
W/s
W/d
34
Electricity: A positively charged material has...
Less protons than usual
Fewer electrons than protons
More electrons than protons
More protons than usual
35
Two opposite and equal forces are...
Non-contact
Unbalanced
Balanced
Pull and push
36
Which of the following is acidic?
bleach
vinegar
37
This resists the flow of electricity
magnet
insulator
conductor
38
What way of obtaining electricity isn't renewable?
Nuclear
Water
Solar
Wind
39
What is not a form of energy?
Solar
Engine
Thermal
Potential
40
Acids create _________ ions.
Hydroxide
base
Hydrogen
water
41
Groups on the periodic table are arranged
Vertically (Up and down)
Horizontally (side to side)
42
Gravity is a non-contact force
False
True
43
Strong bases have a pH of?
8-10
1-3
4-6
11-14
44
what is static electricity
the movement from one place to another
a path for a current
flow of electrons
The build-up of electrical charges
45
Acids and Base make _____________
salt
nothing
salt and water
salt and Hydrogen
46
What does the zig zag line on the periodic table do?
Separates metals from non metals.
Neither
Separates left from right.
47
An example of non-contact force
True
False
48
Bases have a range from
7
Above 7
Below 7
49
What is NOT an application of chemistry?
Rollarcoasters
Fireworks
Antibiotics/drugs
Cooking
50
Which forces act on parachute?
Air resistance and static
Gravity and magnetism
Air resistance and gravity
Gravity and pulling
