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Sounds, Magnets, Lever, liters
misc science terms 2nd grade
16
Science
2nd Grade
12/11/2008

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Cards

Term
I am a type of simple machine. You can make me with an arm and a fulcrum. You might have seen me as a seesaw at the playground. Am I lever or a pulley?
Definition
Lever
Term
I am a force that pulls! If you drop something. I will pull it to the ground. When you jump, I pull you back to the ground, too.
Definition
Gravity
Term
I am a force, but don't be scared of me. I slow things down when they move. I am helpful to skydivers because I slow them down. Am I gravity or friction?
Definition
Friction
Term
I am bigger than a centimeter. Am I a millimeter or a meter?
Definition
Meter
Term
I am a scientific tool that measures how much space liquids take up or volume. Am I a spring scale or a graduated cylinder?
Definition
Graduated cylinder
Term
You can hear me whenever you strike something that vibrates. Any object that vibrates produces me.
Definition
sound or sound waves
Term
I am a very thin piece of skin in your ear. When sound waves hit me, I vibrate!
Definition
eardrum
Term
We are the north poles of two bar magnets. What happens if you place us together? Will the magnets attract or repel?
Definition
repel
Term
You can yuse me to make work easier. I can be a ramp, a lever, a wheel and axle, even a pulley. I am not complicated.
Definition
a simple machine
Term
When you speak, air passes across us and make us vibrate. We are found in your throat.
Definition
Vocal cords
Term
If you change the thickness of guitar string, you will make me sound lower. Am I pitch or volume?
Definition
Pitch
Term
You can make me rubbing a needle with a magnet several times in the same direction. But I won't stay magnetic forever?
Definition
a temporary magnet
Term
If you use a magnet to pick up paper clips, most of the clips will stick to me. Am I the middle of the magnet or am I the poles?
Definition
the poles
Term
You use me to measure the amount of water in a glass. Am I liter or a meter?
Definition
liter
Term
I like action! I am only permomed when a force moves an object. But if there is no force and no object moving, you can't say I am there.
Definition
Work
Term
I am a heavy overstuffed chair that needs to be put on a moving truck! Is it easier to life me straight up or to walk me up a ramp?
Definition
Walk me up a ramp
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