Force and Motion A
A push or a pull that can change the speed, direction, or shape of an object.
What is a Force?
Forces can be visible or _________________.
What is invisible?
A material that can attract iron, nickel, or cobalt
What is a magnet?
Inside a ____________is a small magnet that can spin freely.
What is a compass?
A bar that pivots on a fulcrum to lift or move a load.
What is a lever?
A type of force that moves an object away from the source of the force.
What is a push?
The natural force that pulls objects toward the center of the Earth, giving weight to objects.
What is gravity?
The two ends of a magnet.
What are the north and south poles?
Opposite poles of magnets do this.
What is attract?
A flat, slanted surface that makes it easier to move things up or down.
What is an inclined plane?
A type of force that moves an object toward the source of the force.
What is a pull?
The force that resists motion between two surfaces that are touching or rubbing against each other.
What is friction?
The invisible force around a magnet.
What is a magnetic field?
What is repel?
A wheel with a rope that helps lift or move things by changing the direction of a force.
What is a pulley?
Forces acting on an object that are unequal in strength, causing the object to accelerate, decelerate, or change direction.
What are unbalanced forces?
Forces acting on an object that are equal in strength and opposite in direction, resulting in no change in the object's motion.
What are balanced forces?
A rock that is naturally magnetic.
What is magnetite (or lodestone)?
The earth's outer core is made of these 2 elements.
What is iron and Nickel?
A round wheel that turns around a center rod, making it easier to move or turn things.
What is wheel and axle?
Friction acts to _________motion.
What is stop?
“Great is our Lord and mighty in power; his _________________ has no limit.” Psalm 147:5
What is understanding?
The place where a compass needle always points.
What is magnetic north?
Psalm 119:105
Your word is a lamp unto my feet and _ ______ ___ ___ _______.
A tool with a sharp edge that splits, cuts, or pushes objects apart.
What is a wedge?