Particles and Matter
Liquids and Gases
Forces:Gravity
Simple Machines
Heat Energy
100
Everything is made of ___________.
Particles
100
How many of these things will boil if you heat them up?
Four - water, soap, milk, and oil
100
Why do things fall down?
Gravity!
100
Name the four simple machines we studied.
ramp
fulcrum
axle
pulley
100
What is the Earth's biggest source of heat energy?
200
What is volume?
Volume is the amount of space matter takes up.
200
What happens when you boil water?
It turns into water vapor.
200
Does gravity pull harder on things that have more mass?
It pulls harder on things that have more mass.
200
A lever needs another part to make it work. What is that part called?
A fulcrum
200
Which is a conductor of heat energy?
The pan frying bacon!
300
High or low density?
High density
300
Does water freeze when it gains heat energy?
No, it freezes when it loses heat energy.
300
True or false: Big objects like the moon have gravity.
True!
300
Which ramp uses less force?
Ramp 1: 
Ramp 2:
Ramp 2 because it is longer.
300
Heat energy moves from __________ places to ___________ places.
Heat energy moves from warmer places to cooler places.
400
Which square has high density and low volume?
The smaller one
400
What happens when water vapor condenses?
It turns into liquid water.
400
Which is more important: gravity or friction?
Gravity because it keeps us from floating away into space!
400
An axle is a bar through the middle of a ______.
Wheel
400
How does a blacksmith protect his hands from the hot metal?
He wears gloves that insulate his hands.
500
Why does the oil stay on top of the water?
The oil is less dense than water.
The particles in water are closer together than the particles in oil.
500
What is Tr. Olivia's favorite color?
Blue
500
Gravity or friction?
Friction! Vroom vroom
500
What is Tr. Michelle's favorite animal?
Pigs! Bonus: what is a baby pig called again???
500
Which is a better conductor of heat: metal or plastic?
Metal! More heat energy moves through metal than plastic.
