Unit 10 Vocab
make work easier
simple machine
Has its own shape.
Solid
is a wedge a simple machine
yes
What happens to ice in the sun?
It melts.
What school do you go to?
BaoRen Elementary
simple machine with fulcrum
lever
Amount of space taken up by an object.
Volume
this simple machine is used to split things or stick into things
wedge
What temperature does water boil at sea level on Earth?
100 degree celcius
What color is a banana?
Yellow
fixed point on a lever
fulcrum
A mixture with all the substances evenly mixed.
Solution
what simple machine is a bicycle handle and pedal
wheel-and-axle
A box is 2 cm wide, 4 cm long and 1 cm high. What is its volume.
2 cm x 4 cm x 1 cm = 8 cm3
Are you a banana?
No
spreads force over distance using a ramp
inclined plane
A state change from gas to liquid.
Condensation
give an example of a compound machine and the two simple machines in it
e.g. scissor- levers and wedges
Name two chemical changes.
Iron rusting. Eggs changing (denaturing) when cooked.
What is the state in which a substance is a solid, liquid and gas at the same time called?
Triple Point
1. inclined plane wrapped around a cylinder
2. chain or rope wrapped around a wheel
1. screw
2. pulley
A change in which no new substances are formed.
Physical change.
what are the simple machines in a hatchet
handle: lever
base: wedge
What does dissolve mean? Give an example.
One substance mixes completely and evenly (homogeneously) in another. Sugar dissolving in warm water is an example.
What is the biggest moon in the solar system?
Ganymede