electricity & magnetism

In which of the following materials do charges to flow more easily?

• glass

• wool

• metal wires

• rubber mats

Which of the following statements describes the interaction between magnetic poles?

• Like poles attract each other.

• Like poles repel each other, and opposite poles attract each other.

• Opposite poles repel each other.

• Like poles attract each other, and opposite poles repel each other.

Tags

NGSS.3-PS2-3

Gravity is...

• the force of attraction between any two objects

• the force of attraction and repulsion between like and unlike poles

• any phenomenon associated with stationary or moving electrons,ions or other charged particles

• the force that attracts a body toward the center of the earth, or toward any other physical body having mass.

Magnetism is...

• the force of attraction between any two objects

• the force of attraction and repulsion between like an unlike poles

• any phenomenon associated with stationary or moving electrons,ions, or other charged particles

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Two factors that affect the magnitude of the gravitational force between two objects are...

• mass and distance

• weight and distance

• density and size

• mass and weight

Tags

NGSS.MS-PS2-4

Which image is NOT magnetized?

• The image on the Left
• The image on the Right
• Neither Image
• Both Images

Tags

NGSS.MS-PS2-3

If a negatively charged rod touches a conductor, the conductor will be charged by what method? 

• Friction
• Conduction
• Induction
• Convection

Tags

NGSS.MS-PS2-5

A method used to charge an object without actually touching the object to any other charged object.

• Induction

• Conduction

• Friction

• Grounding

Tags

NGSS.MS-PS2-5

A magnet always has both a north pole and a south pole.

True or False

• True

• False

Answer explanation

pg. 72

Tags

Magnetism

Which of the following never changes no matter where in the universe?

• weight
• force
• mass
• pounds

Tags

NGSS.MS-PS1-5