Show:
Simple Machines
Light and Heat
Sound and Electricity
Food Groups
Misc.
100
What do we call two or more simple machines put together?
Compound machine
100
What do we call a material that heat energy can't easily flow through?
An insulator
100
What results when sound waves bounce back from an object?
An echo
100
Which food group do noodles, rice and and tortillas belong to?
Grains
100
What do we call an educated guess stated as a fact?
A hypothesis
200
Which type of simple machine makes work easier by acting as a ramp?
An inclined plane
200
What do we call a material that easily carries heat energy?
A conductor
200
Sound is made when matter _________.
Vibrates
200
Which food group do eggs and nuts belong in?
Meat
200
What do plants release into the air that humans breathe in?
Oxygen
300
Which type of simple machine makes work easier by separating or splitting? A knife or a staple is an example.
A wedge
300
What do we call a piece of triangular glass that can separate the light into the colors of the spectrum?
A prism
300
What do we call the path that an electric current moves through?
a circuit
300
Which food group helps build strong bones because the foods are filled with calcium?
Dairy
300
What is the force that pulls objects down toward the center of the earth?
Gravity
400
What do we call the part of a lever that does not move and that the long part pivots on?
The fulcrum
400
What are the colors of the light spectrum?
Red, Orange, Yellow, Green, Blue, Indigo, Violet
400
What do we call how loud or how soft a sound is?
Volume
400
What is the key nutrient of fruit group?
Vitamin C
400
What is the force caused by two objects' rubbing action that slows down or stops moving objects?
Friction
500
Name all six simple machines.
Pulley, Inclined Plane, Wheel and Axel, Wedge, Screw, Lever
500
What do we call a curved piece of glass that bends the light rays that pass through it?
Lens
500
What is pitch?
How high or low a sound is
500
What is the key nutrient of beef and chicken that helps us build strong muscles?
Protein
500
Name 5 of the systems in your body.
Skeletal, Muscular, Digestive, Respiratory, Circulatory, Nervous