What causes drops to form on a cold pitcher of lemonade?

What process is exemplified by snowflakes drifting to the ground?

During a drought, what process causes a pond to shrink in size?

What is involved in the water cycle?

What is the process called that is the reverse of condensation?

Which of the following are examples of precipitation?

What is the main energy source driving the water cycle?

What is the process called when water heats up and changes from a liquid to a gas?

What is the process called when water cools and changes from a gas to a liquid?

When water evaporates, what does it become?

What is the term for water that travels across the surface of the earth?

Does the carbon cycle ensure that all carbon is perpetually recycled?
TRUE or FALSE?

What is the term for the release of excess water as water vapor from the aerial parts of plants?

In what way is the water cycle similar to the carbon cycle?

Where is carbon located?

Which carbon reservoir encompasses all Earth's water, including oceans, rivers, streams, clouds, and underground water supplies?

Which of the following reservoirs of carbon consists of all living organisms on Earth?

Animals release _____ and take in _____ during the process of respiration. 

What is the essential gas released by animals that supports plant life?

Which of the following processes adds carbon to the atmosphere?

What role do plants play in enhancing air quality for humans and animals?

In what way does deforestation play a role in global warming?

What are the negative impacts of burning fossil fuels?

What organism plays a crucial role in transforming nitrogen gas into a usable form for plants and animals?

What is the process called where nitrogen circulates and is recycled?

In what ways is nitrogen transformed into a usable form for plants?

In what way do animals acquire the nitrogen essential for their survival?

Which gas constitutes the majority, 78%, of the Earth's atmosphere?

What is the process that transforms nitrogen gas into compounds that can be used by living organisms?

Which of the following represents nitrogen's chemical formula in the atmosphere?

When dead plant and animal matter breaks down, which process releases nitrogen back into the atmosphere?

Nitrogen from the air cannot be used directly by plants and animals.

Plants absorb according to this diagram

Is it true that plants can utilize nitrogen fixed from the atmosphere by bacteria?

What cycle is shown in the image?

Combustion is another term for __________.

These areas are very dry and receive very little rainfall. During the day, temperatures can rise above 100 degrees Fahrenheit (F), while at night, they can drop into the 40s and 50s (F). What are these areas called?

They have the largest variety of plant and animal life. Found near the equator, they are very warm and very wet. Some of them can get as much as 400 inches of rain every year.

Located along the coasts in regions such as the northwestern United States, these forests are much cooler than tropical rain forests but can be very wet.

These forests experience changing seasons, with warm summers and cold winters. In autumn, the leaves change color and fall off in winter.

Near the North Pole, this biome is the coldest, characterized by a thin soil layer over permafrost, a permanently frozen ground that never thaws. The temperature stays below freezing most of the year, with minimal rainfall.

What covers 70% of the Earth's surface?

are the largest biomes on Earth. They can be warm or cold. They are home to plants like seaweed and animals like fish, whales, turtles and sponges.

are rivers, lakes, streams and ponds. They are home to animals like fish, frogs and birds. Many plants grow in or near

In which biome would you find giraffes and elephants?

Jacob is going out to his grandparents farm. On the farm is a stream that he likes to fish in. While he is fishing he sees many different species of fish as well as maple and oak trees and dragonflies. What Jacob is seeing is an example of what level of organization?

What are the ecological levels of organization from smallest to the largest?

Bacterias that decompose dead plants release _____________ back into the atmosphere.

Organisms that die in the ocean may __________ to the bottom and form limestone rock of a period of time.

Burning fossil fuels has raised the concentration of ___________ in the atmosphere.

What is intraspecific competition?

A relationship between two organisms in which one organism benefits and the other is unharmed.

A cuckoo and a warbler are both birds. A cuckoo will find the nest of warbler instead of building her own, and she harms the warbler by knocking a warbler egg out of nest and laying her own. When the warbler mother returns, she isn’t aware of the switch. The warbler will then raise the baby cuckoo bird instead of her own baby. Which term best describes this relationship?

Ostriches and gazelles are two animals that live in Africa. They graze for food near each other because they help each other spot predators. The gazelle has excellent eyesight, but poor hearing, and the ostrich has excellent hearing, but poor eyesight. These two animals will alert one another when danger is near. Which term best describes this relationship?

What type of relationship exists when one organism benefits while the other is unaffected?

The relationship between a tick and a deer is an example of:

In which relationship do both organisms benefit from the interaction?