Question 1

The United States is located in the northern hemisphere. Which point in the diagram represents Earth's location at the time of year when the United States experiences the most direct sunlight?

Options :

A : C

B : A

C : B

D : D

Answer: C

Question 2

While listening to the morning weather report, a scientist hears that a low pressure system is settling over the area. How should the scientist prepare for the day's weather?

Options :

A : Bring extra water and prepare for very hot, humid weather.

B : Wear warm clothes and bring sunglasses to prepare for cold, sunny weather.

C : Dress in lightweight clothing and apply a lot of sunscreen to prepare for hot, sunny weather.

D : Bring an umbrella and wear waterproof shoes to prepare for cloudy, rainy weather.

Answer: D

Question 3

What energy conversion takes place when a ball rolls up a ramp?

Options :

A : Kinetic energy is converted into gravitational potential energy.

B : Gravitational potential energy is converted into kinetic energy.

C : Chemical potential energy is converted into gravitational potential energy.

D : Elastic potential energy is converted into thermal energy.

Answer: A

Question 4

While listening to the morning weather report, a scientist hears that a low pressure system is settling over the area. How should the scientist prepare for the day's weather?

Options :

A : Bring extra water and prepare for very hot, humid weather.

B : Wear warm clothes and bring sunglasses to prepare for cold, sunny weather.

C : Dress in lightweight clothing and apply a lot of sunscreen to prepare for hot, sunny weather.

D : Bring an umbrella and wear waterproof shoes to prepare for cloudy, rainy weather.

Answer: D

Question 5

Which of these is an example of climate change caused by human activity?

Options :

A : A change in temperature from an approaching cold front

B : A decrease in temperature from a change in wind direction

C : A decrease in temperature because of increased cloud cover

D : A change in average temperature from methane released by farming

Answer: D