Show:
MACHINES
COMPOUND MACHINES
ENERGY FORMS
HEAT TRANSFER
FORCES AND MOTION
100
What is a machine?
Something that helps you do work.
100
Name a compound machine and why it is a compound machine.
wheel barrow, bicycle, scissors, etc.
100
The law of conservation of energy states that energy cannot be ____________ or ______________.
created or destroyed
100
Conduction, Convection, and Radiation are the three ways that ______________ energy travels.
THERMAL
100
What force pulls us to Earth and causes things to have weight?
GRAVITYU
200
What simple machines is used to lift and lower things. Such as a seesaw?
LEVER
200
Name a compound machine.
bicycle, wheel barrow, scissors, pencil sharpener, dump truck, crane, car, etc.
200
power lines carry what form of energy?
electricity
200
If you are touching something and your hand gets warm, what kind of heat transfer is happening?
CONDUCTION
200
What force happens when things rub against each other?
FRICTION
300
What simple machine is used to CUT things? Example: a knife
wedge
300
Explain the difference between a compound and simple machine.
A simple machines is made of one machine and a compound machine has two or more simple machines.
300
Food, Batteries, and Wood are all this form of energy....
chemical energy
300
The sun heats your face on a warm sunny day. What type of heat transfer is this?
radiation
300
If a book is sitting still on a desk, is this a balanced force or an unbalanced force?
BALANCED FORCE
400
Explain how an inclined plane helps you do work.
It helps you take things from a lower level to a higher level or vice versa.
400
Name the machines that make up a pair of scissors and tell what part they are. - NAME 2
handles - levers blades - wedges
400
What energy transformation takes place in a toaster?
Electrical to Thermal
400
Steam rising from a pot of boiling water is what kind of heat transfer?
CONVECTION
400
If a rope is pulled 5N to the right and 15N to the left, which way is the rope going to go?
LEFT
500
Name all 6 simple machines.
lever, screw, pulley, wedge, wheel and axle, inclined plane
500
Name 3 simple machines that make up a wheelbarrow. Tell what part is which machine.
handles - LEVER wheels - WHEEL AND AXLE bucket - INCLINED PLANE
500
What energy transformation happens in a flashlight?
chemical (batteries) to light
500
Name an example not used in this game for each type of heat transfer.
conduction example, convection example, and radiation example
500
Jimmy fell out of his chair and skinned is knee on the rug. What two forces where acting on Jimmy?
Gravity and Friction