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Checkpoint Science 0893 All Physics and Earth and Space Topics Flashcards | StudBud
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Checkpoint Science 0893 All Physics and Earth and Space Topics
Checkpoint Science 0893 All Physics and Earth and Space Topics
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This is based on units 3, 6 and 9 of the Cambridge Checkpoint Science coursebook.
Flashcards
63 cards
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Practice quiz
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Questions
63
Answers
1
Airpods Pro use active noice-cancelling technology that results in waves with identical amplitude that are out of phase.
False
True
2
Which of these is evidence that contradicts the collision theory?
The moon has a small iron core.
The moon is less dense than the Earth.
The composition of rocks on the Earth and the Moon are the same.
The surface of the Earth does not appear to ever have been molten.
3
Select the correct statement.
Current is measured in parallel.
In a parallel circuit, current is shared between the components.
Voltage is measured in series.
In a parallel circuit, current is the same at all points in the circuit.
4
What does this diagram show?
convection
conduction
radiation
5
mass = density x volume
False
True
6
In which part of the Earth do convection currents occur?
the outer core
the inner core
the mantle
the crust
7
When Theia collided with the Earth, what occured?
A disk of debris formed.
It split in two and one part became the moon.
It broke up and headed towards the Sun.
The solar system was formed
8
What is X?
2
6
3
4
9
Which is the switch?
B
K
A
H
10
What is the mass of this block?
200g
120cm3
11
Which of the following is the best definition of temperature?
the amount of energy in a body
the measure of the intensity of heat
12
The mass of a 1cm
3
diamond is 3.5g. The mass of a 1cm
3
piece of iron is 7.8g. Which is denser?
The iron
They are the same
The diamond
13
When happens to a substance as it heats up?
it contracts and becomes less dense
it expands and becomes less dense
it contracts and becomes more dense
14
On a hot day, heat energy moves from the surroundings into an ice cream.
False
True
15
Which is the battery?
B
K
L
A
16
Gases are more dense than liquids
False
True
17
Heat does not depend on the number of particles, mass or kinetic energy of the particles.
True
False
18
All lamps are identical. What is X?
6
12
3
4
19
What is the best definition of nebula?
A large cloud of dust and gas spread out over a small volume of space.
A large cloud of dust and gas spread out over a large volume of space.
A large cloud of dust and gas produced by a dying star.
A stellar nursery.
20
What is Hz?
Heart rate, measured in beats per minute
Frequency, it is a measure of vibrations per second.
Frequency, it is a measure of vibrations per minute.
21
Which sound has the lowest pitch?
4
3
5
2
22
The heat energy of a bucket full of hot water is more than that of a cup full of hot water.
True
False
23
Which figure shows the loudest sound?
4
2
5
3
24
As evaporation occurs, what happens to the temperature of the liquid?
it stays the same
it increases
it decreases
25
Which of the following is a thermal insulator?
plastic
wood
iron
copper
26
Which of the following is the best definition of heat?
a measure of how hot something is
a measure of the thermal energy contained contained in an object
27
density = mass / volume
True
False
28
resistance = current / voltage
True
False
29
Which figure shows the quietest sound?
2
3
5
4
30
What is the volume of this block?
120cm3
200g
31
What causes the movement of tectonic plates?
convection currents
conduction currents
earthquakes
magnetic poles
32
Which are the correct units?
voltage (volts), current (amps), resistance (ohms)
voltage (volts), current (ohms), resistance (amps)
33
Energy cannot be created or destroyed. It can only be ______ from one form to another.
transpired
transposed
trafficked
transformed
34
Dogs are able to hear all the sounds that a human can.
False
True
35
Which colour substance would absorb the most heat?
silver
white
blue
black
36
In a series circuit, what happens to voltage as you add more cells?
it stays the same
it decreases
it increases
37
What is amplitude?
distance from the zero crossing point either the peak or the trough
distance from the trough to the peak
38
Which figure shows the highest frequency sound?
2
5
3
4
39
In a series curcuit, what happens to current as you add more cells?
it decreases
it increases
it stays the same
40
Evaporation raises the average energy of the particles that remain in a liquid.
False
True
41
Temperature does not depend on the number of particles, mass or kinetic energy of the particles.
True
False
42
Which animal in the chart has the greatest range of hearing?
beluga whales
mice
bats
birds
43
What is heat dissipation?
the addition of thermal energy to the system
the increase in thermal energy as an object warms up
the loss of thermal energy to the surroundings
the disappearance of thermal energy
44
What is formed in a stellar nursery?
stars
galaxies
babies
new solar systems
45
Which is the most dense substance in this beaker?
water
honey
ethyl alcohol
olive oil
46
Which is the variable resistor?
H
J
G
C
47
Name the object that scientists theorise was the precursor of the moon?
Thor
Theia
Thanos
Thora
48
Which is the voltmeter?
K
D
E
F
49
What is the density of this block?
1.67g/cm3
0.6g/cm3
1.67cm3/g
50
Which one is a parallel circuit?
the one on the left
the one on the right
51
What is X?
4.5
9
52
Which is the lamp?
I
C
B
A
53
Two identical waveforms will interact to cancel each other.
True
False
54
During evaporation, which particles evaporate?
the highest energy particles
the lowest energy particles
the medium energy particles
55
What does this diagram show?
conduction
convection
radiation
56
volume = mass / density
True
False
57
Voltage = current x resistance
False
True
58
Which of the following are both evidence for the existence of tectonic plates?
sea level changes, location of volcanoes and earthquakes
location of volcanoes and earthquakes, fossil record
fossil record, distribution of present day birds
alignment of magnetic materials in the Earth's crust, deforestation
59
What does this diagram show?
convection
radiation
conduction
60
Which of these is evidence that supports the collision theory?
The composition of rocks on the Earth and the Moon are the same.
The surface of the Earth does not appear to ever have been molten.
Outside the solar system similar collisions caused rings or rock and dust.
Venus has no moon.
61
The temperature of a bucket full of hot water can be equal to that of a cup full of hot water.
False
True
62
What happens to current when you add a resistor?
it stays the same
it increases
it decreases
63
resistance = current / voltage
False
True
