A (n) _can be turned on and off

circuit

battery

electromagnet

conductor

In the nuclear chain reaction of uranium-235, what particle reacts with the uranium nucleus to make it unstable?

Do sponges have of appendages jointed, not Jointed, or absent

How many oxygen atoms are needed for each of these atoms?

Which will stay warmer longer a cup of coffee or a cup of coffee being stirred why?

Which of the following statements about energy is correct? A. Energy is a vector quantity. B. Energy is the force used to move an object. C. Energy is required to set an object in motion or D.

Describe how mass and distance affect gravitational force.

a bike can climb the inclined road at uniform speed of 72 km/hr by applying force 500N what will be the power applied by the bike?

A wave has a wave length of 2 m and a frequency of 500 Hz, what is its speed?

Can anything block a magnet's force feild?

How much kinetic energy does a moving 6 kg object have If It moves with a velocity of 3 m/s?