Vocabulary
What is Heat?
A kind of energy that warms things
What does energy do?
Energy makes matter move or change.
How is sound made?
Sound is made when something vibrates
What is a Simple Machine?
A tool that makes moving an object easier.
What is a magnet?
A magnet will only attract objects made of iron or nickel.
What is sound?
A kind of energy that we can hear
What can heat change a solid into?
liquid
What part of our body allows us to hear?
Our Eardrum
What is a lever?
A simple machine with a bar that moves on a point.
will a magnet attract paper clips.
yes
What is light?
A kind of energy that lets us see
Where does most of the heat on earth come from?
The Sun
(Double) Sounds can be?
Soft or loud
what is a Wheel?
Works with a bar that is attached to its center. When the wheel turns, this bar turns too.
What will magnets not attract?
Plastic, Wood, and Other Metals
What does it mean to vibrate?
To move back and forth quickly
( Double Points) What can heat also come from?
motion
How much energy does a soft sound have?
A soft sound has less energy than a loud sound
What is a Pulley?
A simple machine with a rope that moves around a wheel.
What can magnets attract objects through?
Solids, liquids, and gases.
What is fuel?
Something that gives off heat when it burns
What are four things used for fuel?
Gas, oil, wood, and coal
(Triple)What is a Pitch?
How high or low a sound is
( Double) what is the difference between a pulley and a lever?
The difference is in how they are used. The pulley helps us lift things, while a lever helps us pull things up or even paddle in the water.
The pull of a _____ gets ______ as it gets farther from an object.
Magnet, Weaker
What is a Circuit?
A path that electricity flows in
Who is temperature?
how hot or cold something is.
A sound with low pitch?
vibrates very slowly
What is a ramp?
A ramp is a simple machine that has one end lifted up.
(Double)What is a Pole?
The poles are where the pull of a magnet are strongest.
What allows gravity to keep us on the ground?
Our Weight
What can we measure with temperature?
a thermometer
A long string makes a pitch that is?
Low
What are three examples of a lever?
shovel, hammer, and seesaws
What two ends of a magnet will attract each other?
The North Pole and South Pole will pull towards each other.