What does volume measure?
The highness of a sound
The frequency of a sound
The speed of a sound
The loudness of a sound
What is it called when light bends as it moves from one substance to another?
Incidence
Reflection
Absorption
Refraction
What role does energy play in sound?
Energy is present in loud sounds only.
Sound has nothing to do with energy.
Sound waves carry energy.
Energy is present in high-pitched sounds only.
How does potential energy become kinetic energy?
When an outside force acts upon the object.
When something hot touches something cold.
Potential and kinetic energy have no relation.
When an object remains in place.
Which is an example of kinetic energy?
A parked car.
A plate with hot food.
Sound waves when an instrument is played.
A vase sitting on a table.
Which types of charges attract?
positives and negatives
all charges attract
positives and positives
negatives and negatives
What type of charge do elections have?
negative
neutral
positive
atomic
Which of the following is an example of static electricity created by nature?
lightning
wind turbine
socks sticking together in the dryer
water dam
What does amplitude measure?
Volume
Frequency
Echos
Pitch
What is the possible or stored energy in an object called?
Kinetic Energy
Thermal Energy
Potential Energy
Chemical Energy
Which two aspects of sound go together?
Pitch and Frequency
Amplitude and Pitch
Pitch and Volume
Decibels and Pitch
A leaf is green. What does this tell you about the light that is being absorbed?
All colors are absorbed except green.
The light is not part of the spectrum.
Light has nothing to do with colors.
All colors are reflected except green.
What happens when light hits a shiny or smooth surface?
It is refracted.
It is reflected.
It is absorbed.
It disappears.
What type of charge do protons have?
negative
atomic
neutral
positive
What reaction can you expect when electrons hop from one atom to another?
Nuclear Reaction
Solar Reaction
Thermal Reaction
Electrical Reaction
The warmth from a fireplace rises to heat the room, making the cold air fall, is an example of which form of heat transfer?
Radiation
It is not a form of heat transfer
Conduction
Convection
What happens when a beam of light hits an object?
The light is reflected.
The light passes through it.
It forms a shadow.
All of the light is absorbed.
Which statement is NOT true about energy?
Energy can neither be created nor destroyed.
Energy can change forms.
Energy is not connected.
Energy constantly moves from one place to another.
What causes electricity?
moving neutrons
the nucleus of an atom
moving electons
moving protons
What is heat?
Thermal Energy
Electromagnetic Energy
Electricity
Temperature
A road absorbing the heat from the sun and becoming too hot to walk on is an example of which form of heat transfer?
Conduction
Convection
Radiation
It is not a form of heat transfer
Your feet burning when you walk on a hot road during summer is an example of which form of heat transfer?
Conduction
Convection
Radiation
It is not a form of heat transfer
What happens when sound waves bounce off of a surface?
The number of waves increase.
They form an echo.
They get lower.
They get louder.
Light and sound both travel in what form?
Straight Lines
Currents
Strings
Waves