Earth as Giant Magnet

A north pole and a south pole will attract.

• True
• False

A magnet cannot not move which of the following objects?

• a paper clip
• a nail
• a toothpick
• a staple

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Earth acts like a giant magnet because its center is made up MOSTLY of

• granite
• limestone
• iron
• nickel

It is possible for a magnet to have only one pole.

• True
• False

Tags

NGSS.MS-PS2-3

Where is the force of attraction the strongest on a magnet?

• at the poles
• in the middle
• above the magnet
• below the magnet

How is Earth's magnetic field similar to that of a magnet?

• It is hundreds of miles long
• It has north and south poles
• It is made in Earth's core
• It is shaped like a horseshoe

What do the lines around this magnet represent?

• North Pole
• South Pole
• Magnetic Declination
• Magnetic Field

Magnetism is generated by moving

• protons.
• electrons.
• neutrons.
• elements.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is responsible for the Magnetic Field around Earth?

• The Earth's crust
• The Earth's molton iron core
• The Earth's mantel
• The Sun

What percent of the electricity produced in the US in 2007 comes from renewable resources?

• 1.6%
• 3.1%
• 8.9%
• 51.5%