A student plays the drums in a band. When the drumstick and the drum are hit together, a loud sound is made. The force of the drumstick hitting the drum produces sound because...
wood is noisy
energy is absorbed
air vibrates
energy moves
Which of the following forms of energy involves rays bouncing off of objects?
sound
thermal
mechanical
light
The sun is a source of which types of energy?
light and sound
sound and thermal
light and thermal
all of the above
Which object uses thermal energy to do its job?
clock
oven
couch
spoon
In Iceland, residents and tourists can visit the Blue Lagoon, an outdoor spa with steamy waters. These waters are warm due to...
light energy
sound energy
mechanical energy
thermal energy
Band practice lasted two hours. Some people got headaches due to the loud noise. What caused the loud noise?
Sound energy
Thermal energy
Mechanical energy
Light energy
Matthew and Abigail are investigating the sound made by rubber bands. They listened to each sound, then they carefully wrote what they heard. Which of the following gives the best reason for writing what they heard?
They want to plan a good investigation.
Their good observations are their conclusions.
They want to have good records of their observations.
They want to ask the right scientific questions about sound.
You are exploring how to make sound louder by tapping a pencil against a desk. To make a louder sound with the pencil, you could...
wave the pencil
tap the pencil in your hand
tap the pencil against the desk more gently
tap the pencil against the desk with more force
Why can you see your reflection in a highly polished (shiny) table?
The table reflects light.
The table refracts light.
The table produces most of the light.
The table absorbs the light.
Which action would help you feel warmer when standing outside on a cold day?
sitting very still
standing far from others
rubbing hands together
dropping your backpack on the ground
A kazoo is a toy that makes a sound when a person hums into it. Sound comes out of the kazoo because it...
Is shiny
can float
Is plastic
can vibrate
Which form of energy does the Sun provide?
Mechanical
Thermal
Sound
Wind
Pitch is how high or low a sound is. It is related to the speed at which something beats or vibrates. The higher the beats per second the higher the pitch. The table below shows the rate at which different insects beat their wings. Use the table below to answer the question.
Which insect produces the sound that has the highest pitch?
ladybug
honeybee
mosquito
cabbage worm butterfly
Pitch is how high or low a sound is. It is related to the speed at which something beats or vibrates. The higher the beats per second the higher the pitch. The table below shows the rate at which different insects beat their wings. Use the table below to answer the question.
Which insect produces the sound that has the lowest pitch?
ladybug
honeybee
mosquito
cabbage worm butterfly
Which object produces light energy and thermal energy but NOT sound energy?
computer
desk lamp
power drill
radio
What must happen for an object to produce a sound?
The object must glow.
The object must vibrate.
The object must be warmed.
The object must transform electrical energy.
John shines a light on a piece of aluminum foil. Then light appears on the ceiling. Why does this happen?
The aluminum foil reflects the light.
The aluminum foil breaks the light.
Energy you can see is called...
sound energy
mechanical energy
light energy
thermal energy
The ability to make something move or change is called energy.