Which event is caused by these temperature differences?

A ball rests on a shelf one meter above the ground. Which action wil increase the kinetic energy of the ball while decreasing its potential energy?

Which of these best describes the role of the shark in this feeding diagram?

Which best describes the energy transformations that allow the car to move forward?

What energy source formed this convection current in the atmosphere?

Which statement correctly describes energy flow through this food chain?

A student drops a ball. As the ball falls, it loses 4.2 joules (J) of gravitational potential energy. The gravitational potential energy of the ball is then converted into a different form. About how much kinetic energy does the ball gain?

A student in a science class wants to demonstrate elastic potential energy. Which are the best objects to use for this demonstration?

Which of these best identifies a cold water current and explains its cause?

Both of these circuits

Students collected weather data every two hours between 9 A.M. and 3 P.M., as shown in the chart. Based on the data, what type of weather should the students predict for later in the day?

Which of these is an abiotic factor in a grassland?

Which statement is best supported by the data in the table?

While the bulb is producing light, which type of energy is decreasing in the battery?

A company made a new type of solar panel. The new solar panel was designed to produce more electrical energy than an older solar panel. Which of these will best help the company find out if the new solar panel acturally works as it was intended?

In a certain biome, wildflowers and herbs are some of the most common plants. Bison and prarie dogs consume the wildflowers and herbs. Coyotes and eagles hun the prairie dogs. Which biome is most likely being described?

A tumbleweed is a common desert plant that detaches from its roots when it becomes dry. The dried tumbleweed is easily pushed by wind. What causes the wind to form?

The diagram shows a ball rolling along a path. At which point will the ball have the least gravitational potential energy and the most kinetic energy?

Blue-green algae are organisms that convert sunlight into food through photosynthesis. What is the role of blue-green algae in a food chain?

Movement of ocean currents is mainly caused by

A student listen to music with a digital music player, similar to the one in the diagram. Which best describes the eneregy transformations that take place in the music player?

Candle wax contains stored chemical energy. As the candle burns, the wax changes form. What happens to the chemica energy in the candle wax?

A student collected the weather data recorded in the table below. What was the most likely weather condition at the time the student collected the data?

When the switch is closed, what type of energy is involved in this circuit in order for the bulb to produce light?

A graph of global average temperature is shown. Which statement is best supported by the graph?

Which level of the pyramid must contain producers?

The weather map shows an area of high(H) air pressure and an area of low (L) air pressure. What is the most likely wind didrection at Point X?

Which of these are biotic factors found in freshwater biomes?

A plant converts sunlight energy into glucose (sugar). The glucose is a form of

Which best describes how the energy of the diver changed from Point 1 to Point 2?

Which of these is a main cause of deep-ocean currents?

which statement best describes a change in energy that takes place when a student runs on a tract?

The fur of Artic foxes and Artic hares is white in winter. The fur of both species becomes brown in summer. This adaptation helps camouflage these animals. In which biome can a predator-prey relationship between Arctic foxes and Arctic hares be found?

At 1:00 P.M. the air temperature was 78 degrees F, and air pressure was 30.0 inches of mercury with partly cloud skies. By 4:00 P.M., the temperature dropped to 62 degrees F, and the pressure dropped to 29.5 inches of mercury. Which best predicts the weather for later that day.

Land breeze and sea breezes are caused by the different _________ between land and water surfaces.

Sea breezes take place during the ________ because the warmer land temperature results in a warmer air mass above the land compared to the cooler air mass over the surface of water.

What is the main cause of winds?

A cool breeze is blowing from the ocean towards the land during the day. This is called a

Air moves from _______ pressure to ________ pressure.

The Coriolis Effect influences wind direction around the world due to the ______ of Earth cause the winds to curve.

What causes wind?