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
|
|
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
|
|
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
|
|
Term
| I am bigger than a centimeter. Am I a millimeter or a meter? |
|
Definition
|
|
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
|
|
Term
| You can hear me whenever you strike something that vibrates. Any object that vibrates produces me. |
|
Definition
|
|
Term
| I am a very thin piece of skin in your ear. When sound waves hit me, I vibrate! |
|
Definition
|
|
Term
| We are the north poles of two bar magnets. What happens if you place us together? Will the magnets attract or repel? |
|
Definition
|
|
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
|
|
Term
| When you speak, air passes across us and make us vibrate. We are found in your throat. |
|
Definition
|
|
Term
| If you change the thickness of guitar string, you will make me sound lower. Am I pitch or volume? |
|
Definition
|
|
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
|
|
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
|
|
Term
| You use me to measure the amount of water in a glass. Am I liter or a meter? |
|
Definition
|
|
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
|
|
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
|
|
