7C 1st Final Review 23

Which of the above diagrams shows the magnetic field lines around the north pole of a magnet?

• A

• B

• C

• D

What do the lines around this magnet represent?

• North Pole

• South Pole

• Magnetic Declination

• Magnetic Field

What will happen when these magnets are brought close together?

• They will attract each other.
• They will repel each other.
• Both magnets will turn to the left
• Both magnets will turn to the right

What are greenhouse gases?

• gases that cause climate change
• gases that emit green smoke
• gases that are used to make green colored glass

Which of the following is the best conclusion that can be made from this graph?

• atmospheric carbon dioxide levels have been decreasing since 1960
• Hawaii has a lot of carbon dioxide
• humans have been working hard to decrease carbon dioxide levels
• atmospheric carbon dioxide levels have increased steadily since 1960

Which of the following materials will be attracted to the north pole of a magnet?

• a north pole magnet

• plastic

• iron

• wood

Which of the following is a type of greenhouse gas?

• carbon dioxide

• nitrogen

• oxygen

• helium

Renewable energy sources are sources that …

• will run out

• are difficult to make more of

• are replaced quickly

• hurt the environment

What is the best definition for an ice age?

• when you have lots of ice cream

• A long period of time when the Earth is cooler than average

• A cold day with snow

• A cold winter with lots of ice

What is the main difference between climate and weather

• Weather is only for when it’s nice

• Climate is only used for cities

• Weather is over a short period of time compared to climate

• Weather is the average climate on a day