WorksheetsPhysical Science Notes Review
Total questions: 50
Worksheet time: 26mins
What are the three subatomic particles that make up an atom?
Protons, Neutrons, Electrons
Protons, Neutrons, Photons
Electrons, Photons, Neutrons
Protons, Photons, Electrons
Which of the following is a characteristic of a pure substance?
Contains multiple types of atoms
Can be physically separated into parts
Contains only one type of atom or molecule
Is always a mixture
What is a homogeneous mixture?
A mixture that is unevenly mixed
A mixture that is the same throughout
A mixture that contains only one type of atom
A mixture that cannot be separated
Which phase of matter has a definite shape and volume?
Solids
Liquids
Gasses
Plasmas
What happens to matter when energy is added or removed?
It changes color
It changes phases
It becomes a mixture
It becomes a compound
What is a characteristic of physical properties?
They can be observed without changing the substance.
They can only be observed when a reaction takes place.
They include reactivity and flammability.
They are always irreversible.
Which of the following is an example of a chemical change?
Folding paper
Dissolving sugar in water
Baking a cake
Mixing ingredients for a cake
Where are metals located on the periodic table?
On the left side
Along the "stair step"
On the right side
In the middle
What does the Law of Conservation of Matter state?
Matter can be created or destroyed.
Matter cannot be created or destroyed.
Matter can only be created.
Matter can only be destroyed.
How can you determine the number of neutrons in an atom?
Look at the atomic number.
Round the atomic mass to the nearest whole number and subtract the atomic number.
Look at the number of electrons.
Count the number of energy levels.
What affects kinetic energy according to the learning material?
Mass and speed
Height and gravitational field
Temperature and pressure
Color and texture
What is potential energy affected by?
Mass and height
Speed and temperature
Color and texture
Pressure and volume
How are kinetic energy (KE) and potential energy (PE) related in a system?
They are inversely proportional
They are directly proportional
They are unrelated
They are always equal
What type of energy transformation occurs when lighting a match?
Chemical to thermal and radiant
Mechanical to electrical
Nuclear to chemical
Thermal to mechanical
Which method of heat transfer involves direct contact of atoms?
Conduction
Convection
Radiation
Evaporation
What does a flat line on a distance-time graph indicate?
The object is accelerating.
The object is moving at a steady speed.
The object is stopped.
The object is returning to the start.
On a velocity-time graph, what does a line sloping down mean?
The object is accelerating.
The object is decelerating.
The object is moving at a constant speed.
The object is stopped.
What is the measure of the rate of change of velocity?
Speed
Distance
Acceleration
Time
In a distance-time graph, what does a greater slope indicate?
Greater speed
Greater distance
Greater time
Greater acceleration
What does Newton's First Law of Motion state about an object in motion or at rest?
An object will change its motion unless a force acts upon it.
An object will keep doing what it is doing unless a force acts upon it.
An object will stop immediately unless a force acts upon it.
An object will accelerate unless a force acts upon it.
What is the effect of balanced forces on an object?
They cause the object to accelerate.
They change the direction of the object.
They cancel each other out and do not change the motion of the object.
They increase the speed of the object.
According to Newton's Second Law of Motion, what happens when an unbalanced force acts on an object?
The object will remain at rest.
The object will move in the opposite direction.
The object will accelerate in the direction of the net force.
The object will slow down and stop.
What does Newton's Third Law of Motion state?
Every action has an equal and opposite reaction.
An object in motion stays in motion.
Force equals mass times acceleration.
Inertia is affected by mass.
How does friction affect a moving object?
It speeds up the object.
It causes the object to change direction.
It acts against the object and causes it to slow down.
It has no effect on the object.
What type of waves do not need a medium to travel?
Mechanical waves
Electromagnetic waves
Longitudinal waves
Surface waves
Which part of a wave is the highest point?
Trough
Crest
Compression
Rarefaction
What is the distance between two consecutive crests or troughs called?
Amplitude
Frequency
Wavelength
Compression
What happens to particles in a compression?
They spread out
They move perpendicular to the wave
They are crowded together
They move parallel to the wave
Which of the following has the highest energy in the electromagnetic spectrum?
Radio waves
Microwaves
Gamma rays
Visible light
Which type of wave needs a medium to travel through?
Light waves
Sound waves
Radio waves
Microwaves
What happens to light when it strikes a material and is reflected?
It is absorbed completely.
It passes through the material.
It bounces off the surface.
It changes color.
What is the term for a reflected sound wave?
Echo
Refraction
Diffraction
Absorption
What happens to light when it passes through a prism?
It is absorbed.
It bends and separates into colors.
It is reflected back.
It disappears.
Which color of light has the shortest wavelength?
Red
Green
Blue
Violet
What is the effect of increasing the amplitude of a sound wave?
Decreases the volume
Increases the volume
Changes the color
Decreases the pitch
What is the relationship between wavelength and energy?
Greater wavelength means greater energy.
Greater wavelength means less energy.
Wavelength does not affect energy.
Wavelength and energy are the same.
What is the function of a convex lens?
It causes light to diverge.
It creates an upside-down image.
It causes light to converge to a focal point.
It reflects light.
Which type of mirror creates an upright image?
Concave mirror
Convex mirror
Plane mirror
Concave lens
What is a magnetic field?
A visible force surrounding a magnet.
An invisible force surrounding a magnet.
A field that only attracts objects.
A field that only repels objects.
How does induction charge an object?
By direct contact with a charged object.
By rubbing two objects together.
By bringing a charged object close to a neutral object.
By heating the object.
What is the role of conductors in electricity?
They slow down the flow of electricity.
They allow electricity to flow easily.
They block the flow of electricity.
They convert electricity into heat.
What increases the strength of an electromagnet?
Decreasing the wire turns.
Increasing the voltage.
Using a plastic core.
Reducing the size of the iron core.
What type of energy conversion do generators perform?
Electrical energy to mechanical energy
Mechanical energy to electrical energy
Chemical energy to thermal energy
Thermal energy to mechanical energy
What is the term for the bending of light as it passes from one medium to another?
Reflection
Absorption
Refraction
Diffraction
Which subatomic particle is responsible for the chemical properties of an element?
Proton
Neutron
Electron
Photon
What is the unit of frequency in the International System of Units (SI)?
Joule
Newton
Pascal
Hertz
What is the name of the force that opposes the relative motion or tendency of such motion of two surfaces in contact?
Gravity
Friction
Tension
Magnetism
What is the primary factor that determines the pitch of a sound?
Wavelength
Amplitude
Speed
Frequency
