TNReady Physical Science Diagnostic

Which of the following describes how

like electrical charges interact?

• They attract each other.

• The stronger charge attracts the weaker charge.

• They repel each other.

• The weaker charge orbits the stronger charge.

  
  

Which of the following will be repelled by the north pole of a magnet?

• the south pole of another magnet

• the north pole of another magnet

• an unmagnetized piece of iron

• a piece of plastic

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

A magnetic field is strongest.

• along the magnetic field lines.

• near the magnetic field lines.

• at the center of a magnet.

• at the poles of a magnet.

The Danish scientist Hans Christian Oersted discovered that a compass needle moved when he turned on an electric current. What did this discovery show?

• Electric currents produce magnetic fields

• Magnetic fields produce electric currents.

• The north pole of a magnet has a positive electric charge.

• Oersted had a broken compass.

Tags

NGSS.HS-PS2-5

A coil of wire is held between the poles of a magnet. What will happen if the coil is moved through the magnetic field?

• An electric current will be induced in the wire.

• The field of the magnet will become weaker.

• The resistance of the wire will increase.

• An electric current will be induced in the magnet.

Tags

NGSS.MS-PS2-5

Which of the following will cause the needle of a galvanometer to rotate more?

• a weaker magnet

• increased resistance in the wire

• decreasedvoltage

• a stronger current

Tags

NGSS.HS-PS2-5

Two students on opposite sides of a box apply forces to the box. What must be true if the box does not accelerate?

• The forces are equal in strength and in opposite directions.

• One student must be pushing the box while the other student pulls it

• One student is applying a greater force.

• Both students are applying forces in the same direction.

Tags

NGSS.MS-PS2-2

A student pulls a sled across the snow. What type of friction acts on the sled?

• static friction

• sliding friction

• rolling friction

• fluid friction

Mechanical energy is transformed into electrical energy by a ___________________-.

• battery.

• transformer.

• galvanometer.

• generator.

Tags

NGSS.HS-PS3-3

The moon and Mars have a similar composition. Why is the gravity on the surface of Mars greater than the gravity on the moon’s surface?

• Mars is solid and the moon is not.

• Mars is farther away from the Earththan the moon.

• Marshasagreatermassthanthemoon.

• Mars is farther away from the sun than the moon.

Tags

NGSS.MS-PS2-4