the space between two places or points
What is the distance from your home to your school?
affect
to cause a change; to influence
The speed of sound is not affected by temperature.
temperature
how hot or cold something is
The temperature in the desert is very high during the day.
experiment
a scientific procedure done to test an idea
We can find the speed of sound by doing a(n) experiment.
involve
to include or contain as a part of
Some role-playing games involve the use of dice and maps.
measure
to obtain the quantity of something based on standard units
How can we measure the speed of sound?
echo
a reflected sound
Listen to the echo bounce off the canyon walls.
foghorn
a siren-like instrument to warn ships about obstacles in fog
A ship caught in a fog can avoid crashing into cliffs by sounding a foghorn and waiting for the echo.
thunder
a loud boom heard from the sky after a flash of lightning
You can hear thunder shortly after lightning strikes.
clap
to hit together in a way that makes a loud noise
The beaver’s tail made a loud clap when it slammed into the water.
calculate
to work out, or find an answer, using mathematics
I calculated how much money I would need to buy the car.
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