Show:
Matter
Mixing Matter
Magnifying
Making Sound
Traveling and Changing Sound
100
What are the three states of matter
solid, liquid, and gas
100
What is a mixture?
Something made of two or more things
100
What does magnify mean?
To make small objects look bigger
100
What does vibrate mean?
To move back and forth very quickly
100
What state of matter does sound travel through the fastest?
Solids (then liquids, then gases).
200
How can you describe objects?
By their properties
200
What does it mean to separate a mixture?
To take the mixture apart
200
What can you use to see the small parts of matter?
A magnifying tool
200
What makes sound?
When matter vibrates
200
What is it called when sound waves bounce off a surface and the sound repeats?
Echoes
300
How can you measure the length, width, and height of a solid object?
A ruler
300
What is it called when powder mixes into water?
Dissolving
300
What magnifying tool can you use to spy on your neighbors?
Binoculars
300
What is a sound wave?
It is when air vibrates
300
How does a concert stage change the direction of sound?
It makes the sound bounce toward the people in the audience.
400
How can you measure the volume, or amount of space a liquid takes up?
A measuring cup
400
How can you change a solid into a liquid?
Heat up the solid
400
What magnifying tool do scientists use to study the smallest parts of matter?
A microscope
400
What is a tool that helps people hear?
A hearing aid
400
How can you make the pitch on a guitar higher?
Make the string shorter.
500
How can you measure the mass, or amount of matter that is in an object?
A balance
500
How can you change a gas into a liquid?
Make the gas colder.
500
What magnifying tool do scientists use to study space?
A telescope
500
How does our ear hear sound?
The sound waves travel through the air into our ear. Then the parts in our ear turn the sound waves into a message that is sent to our brain.
500
How can you make the volume of a guitar louder?
Pluck the string harder.