Energy
The ability to do work or cause change is called....
Energy
What is the first level in food webs, food chains, and energy pyramids?
Producers
What is the atmosphere?
Layer of gases around the Earth
Why do areas near the equator tend to be warmer than areas near the poles?
The Sun’s rays strike them more directly
Resources that CAN be replaced naturally over time.
Renewable Resource
During a camping trip, a metal pot is placed over a fire. The water inside begins to heat, and soon you notice the water circulating as hotter water rises and cooler water sinks. What type of heat transfer is taking place in the pot.
Convection
All organisms of the same species living together is called...
A population
The sun unevenly heats Earth’s surface, causing warm air to rise and cool air to sink. What are these currents called?
Convection Currents
What is the main difference between weather and climate?
Weather describes short-term conditions, while climate describes long-term patterns
In the Amazon Rainforest, large areas of trees are cut down every year to make room for cattle farms and crops. As a result, many animals lose their homes, and the amount of carbon dioxide in the atmosphere increases. What is this an example of?
Deforestation
What is the law that states that energy cannot be created or destroyed.
Law of Conservation of Energy
A type of fish called Asian carp was brought to the United States to help control algae in fish farms. Over time, they escaped into nearby rivers and spread quickly. They eat large amounts of food, leaving little for native fish, and their population grows rapidly because they have few natural predators. What are these organisms called?
Invasive Species
What happens to air at the equator in global atmospheric convection?
It warms, becomes less dense, and rises
Without this natural process, Earth would be too cold to support life.
The greenhouse effect
Which human activity increases carbon dioxide in the atmosphere?
Burning fossil fuels
Elastic Potential Energy is.....
The stored energy in compression or stretching an elastic object
A farmer notices that certain birds follow behind cows in the field. The birds eat insects that are stirred up by the cows as they walk. The cows are not harmed, and the birds get food. What symbiotic relationship is this?
Commensalism
How does salinity affect global ocean movement?
Higher salinity increases density, causing water to sink
Which weather tool is used to measure air pressure?
Barometer
What is urban sprawl?
A city growing outward into nearby rural areas
A pot of water is heated on the stove. What is happening to the particles?
The particles gain energy, move faster, and spread out
Why is biodiversity important for the survival of organisms in an ecosystem?
It provides a variety of food sources and habitats
What process changes liquid water into water vapor?
Evaporation
A cold front moving into an area will most likely cause which type of weather?
Short, heavy thunderstorms
Which term describes protecting natural resources so they will still be available in the future?
Conservation