Revision Grade 6

1.      Identify the force that opposes motion.

• force

• friction

• contact force

• energy

1.      Identify the unit that is used to measure work in the equation (Work = Force x Distance).

• Pascal

• Newton

• Watts

• Joules

Identify the force, that is not equal and do not cancel each other.

• unbalance force

• no force

• balanced force

• cancel force

    Name the force that occurs when objects are touching.

• balanced force

• unbalanced force

• non-contact force

• contact force

Identify the force which tries to pull two objects toward each other.

• gravity

• matter

• friction

• magnitude

Identify the fixed point in a lever around which the bar moves.

• funnel

• fulcrum

• load

• effort

Identify a flat surface, like a ramp, that makes lifting things easier.

• wheel and axle

• wedge

• lever

• inclined plane

  Identify the simple machine that consist of two or more wheels that fit together with interlocking teeth.

• axle

• lever

• gear

• wedge

Identify an object that consist of two or more simple machines.

• pulley

• compound machine

• lever

• wheel and axle

Identify the movement of negative charges in a circuit.

• battery

• electricity

• protons

• all the choices