Question: Sea anemones are poisonous. However, the clownfish has developed an outer layer of mucus which provides protection from the stinging cells of the sea anemone. The mucus is best described as

A an adaptation

B a relationship

C an energy requirement

D a social hierarchy

Answer: A an adaptation

Question: Hurricanes form in tropical waters between 8 and 20 degrees north and south of the equator. Hurricanes rarely form at higher latitudes because the water is too

A warm

B deep

C shallow

D cold

Answer: D cold

Question:

Answer: A Conduction, because the spoon was in contact with the cold ice cream (conduction = touching)

Question:

Answer: C Roughness of the ramp surface

Question: A student recorded the temperature of an aquarium each hour for 8 hours. Which of these will best display the data the student collected?

A Bar graph

B Circle graph

C Picture graph

D Line graph

Answer: D Line graph - one thing effects another and changes

A Bar graph - comparing (vs.)

B Circle graph - percentage of a whole

C Picture graph - representation of pictures

Question: A cold air mass moves underneath a warm air mass causing the warm air to rise. This event can best be identified as

A a cold front

B a warm front

C an occluded front

D a stationary front

Answer: A a cold front

C an occluded front - cold air

D a stationary front - not moving

Question: Which body of water is often protected naturally from storms by barrier islands and also contains a mixture of fresh water and salt water?

A Estuary

B Ocean

C Lake

D Pond

Answer: A Estuary

Question:

Answer: C Repeating the experiment several times

Question: Which of these has the strongest gravitational field?

A Sun

B Earth

C Saturn

D Jupiter

Answer: A Sun (gravity = mass of object and distance from object)

Question: Which is the result of using a more powerful motor to run an elevator?

A The same amount of work is done in less time.

B Less work is done in the same amount of time.

C The same amount of time is needed to move the same distance.

D A longer time is needed to move a shorter distance.

Answer: A The same amount of work is done in less time.