When I grab the brakes on my bike, I am slowing down to cause f_____
friction
Which state of matter takes the shape of the container they are in?
liquid
This motion is called...
bouncing
This motion is called...
rolling
TRUE/FALSE the particles on the right have a high density
FALSE
Which state of matter has particles tightly packed?
It's solid.
We describe how tight the particles are as their ______
density
What do we call the change from a liquid to a gas?
evaporating
TRUE/FALSE "This ball will speed up" when rolling on a rough surface.
FALSE
The marbles have a _____density
high
Tell me which surface will have more friction
The rough surface
Tell me which surface will have less friction
The smooth surface
The apple has a ______density
low
True/False "Solids have a fixed shape and volume."
TRUE
The marbles_____in water.
Sink
Which phase change is happening here?
It's melting. Solid--> liquid