Thermal Energy transferred by the circulation of a liquid or a gas is called

Energy transferred as electromagnetic waves is called

Convection currents transfer heat through

One reason for global warming may be

Global warming is the increase in the Earth's average surface temperature and is partly caused by human activity. What can we do to help slow global warming and reduce air pollution?

Which is one practical way homeowners can conserve water?

Recycling and reusing are very important ways to help people

A photochemical haze that forms when sunlight acts on industrial pollutants and and burning fuels is called?

Which of the following is NOT a way that humans can conserve natural resources?

Petroleum and natural gas form mainly from

People do NOT obtain fossil fuels by

The energy contained in fossil fuels originally came from

What is a resource that can be replaced at the same rate it is used?

What is reusing waste or scrap materials called?

One kind of RENEWABLE resource from the ocean is

Which is NOT a renewable resource?

Which is NOT one of the three R's of conservation?

Which of the following is an alternative to using fossil fuels?

What is the scientific term for two or more nuclei joining together to form a new nucleus?

Electricity's energy created by the movement of falling water is called

Why are alternative fuels important for the future?

Energy released by heat within the Earth is called

Which is NOT used as biofuel?

Which of these is a renewable resource?

Fossil fuels are formed from the plants and animals that lived a long time ago. What is the original source of the energy that is stored in fossil fuels?

Which of these resources is nonrenewable?

How do wind turbines depend on the sun's energy?

I place a snowball in my hand and it melts. This is an example of _____________heat transfer.

The sun's rays heat up a puddle of water. This is an example of ________________________.

An egg is being cooked on a hot skillet. This is an example of_________________.

A heater is heating up the inside of a car. This is an example of ______________________.

Butter melting on pancakes is an example of ____________________________.

Baking a cake in the oven is an example of ____________________________.

Adding hot water to your cold bath water is an example of ____________________________.

Feeling the warm sun heat the back of your shirt is an example of ____________________________.

The energy released when a chemical compound reacts to produce new compounds

A mixture of gasoline and alcohol that is used as a fuel source

The energy received by the Earth from the Sun in the form of radiation

This fossil fuel forms from the remains of swamp plants

A glow stick is an example of ___________________ energy.

A wind mill is an example of __________ energy.

A dam is an example of ________________ energy.

Garbage and cow dung can be used as ______________ energy.

A geyser generates heat from inside the Earth, this is an example of ___________________ energy.

A battery is an example of ______________ energy.

Which of the following were sources of pollution in the movie The Lorax?

The Once-ler chopped down the first Trufflua tree to make a Thneed.

Organic matter that can be a source of energy is called

The food you eat digests in your stomach. This is an example __________________________ energy.