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Michael Morales Test
Chapter 1 Science Test
Question | Answer |
---|---|
Pollution can be due to human or natural causes. Two natural causes of air pollution are ___________ and __________. Two human causes of air pollution are _________ and ___________. | smoke and wind ( natural causes) driving cars and fossil fuels ( human causes) |
Any unwanted or harmful material found in the environment is called _________. | pollution |
The blanket of air surrounding Earth is called _____________. | atmosphere |
The atmosphere blocks some of the harmful ultraviolet rays from the ________. | sun |
The three types of natural resources are 1.______________ 2. ___________ 3.____________ | 1. renewable resources 2. nonrenewable resources 3. inexhaustible resources |
Any material found on Earth that is used by people is a ____________. | resource |
Earth's surface is mostly covered by __________. | water |
Animals need to breathe the gas __________ from the air. They breathe out ___________. | Animals breathe the gas oxygen. They breathe out carbon dioxide. |
Plants use the gas _________ to make food. They give off the gas ______________. | Plants use the gas carbon to make food. They give off the gas oxygen. |
A resource that can be replaced within a person's lifetime is called a ___________ resource. Trees and air are examples of this type of resource. | renewable |
A resource that does not decrease or become used up, as people use it, is called an _____________ resource. Wind and the sun are examples of this type of resource. | inexaustible |
A ______________ resource cannot be replaced within a person's lifetime. The supplies of them decrease as they are used. Gold and oil are examples of this type of resource. | nonrenewable |