SCIENCE CH 6; Forces And Motion -1 Question Preview (ID: 13555)


CCES: 4th Grade. TEACHERS: click here for quick copy question ID numbers.

Simple Machine
a) A device that changes a force.
b) A machine made up of a slanted surface.
c) A device that changes the weather.
d) A device that changes a speed.

Speed
a) A measure of the distance an object travels in a certain amount of time.
b) A measure of speed in a certain direction.
c) A measure of the distance an object travels around the world.
d) A measure of the distance an object travels in a frame of reference.

Velocity
a) A measure of speed in a certain direction.
b) A measure of the distance an object travels in a certain amount of time.
c) A measure of helium in a city.
d) A measure of speed in a city.

Wedge
a) A simple machine made up of two inclined planes.
b) A simple machine made up of a stiff bar that moves freely around a fixed point.
c) A simple machine made up of two cylinders that turn on the same axis.
d) A simple machine made up of two airplanes.

Wheel and Axle
a) A simple machine made up of two cylinders that turn on the same axis.
b) A simple machine made up of an inclined plane wrapped around a column.
c) A simple machine made up of a stiff bar that moves freely around a fixed point.
d) A simple machine made up of two cylinders that revolve around a lever.

Screw
a) A simple machine made up of an inclined plane wrapped around a column.
b) A simple machine made up of a rope fitted around the rim of a fixed wheel.
c) A simple machine made up of a slanted surface.
d) A simple machine made up of an inclined wedge wrapped around a lever.

Pulley
a) A simple machine made up of a rope fitted around the rim of a fixed wheel.
b) A simple machine made up of a slanted surface.
c) A simple machine made up of an inclined plane wrapped around a column.
d) A simple machine made up of a rope fitted around the column of a fixed wedge.

Lever
a) A simple machine made up of a stiff bar that moves freely around a fixed point.
b) A simple machine made up of an inclined plane wrapped around a column.
c) A simple machine made up of a slanted surface.
d) A simple machine made up of a stiff bar that moves around the rim of a fixed wheel.

Position
a) An object's location or place.
b) An object you use for comparison.
c) A device that changes a force.
d) An object's color or size.

Motion
a) A change in an object's position when compared with objects around it.
b) A change in an object's frame of reference.
c) A change in an object's inclined plane.
d) A change in an object's gravity.

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