How does a hydroelectric dam produce energy?
Water spins a turbine to generate electricity.
What has the most influence on Earth's tides?
The moon and its gravity
The energy source of the water cycle is number —
1
What layer of the atmosphere has weather
Troposphere
A cold air mass replaces a warm air mass causing the warm air to rise. This event can best be identified as —
Cold front
Explain the energy transfer that happens when you use a hair dryer.
Electrical Energy --> Thermal Energy
Which of the following identifies the earth’s revolution?
1
The direct transfer of heat from one object to another through touching is called—
Conduction
What are the two major elements that make up the Earth’s atmosphere?
Nitrogen and Oxygen
If coal is used to heat a school building, then the amount of air pollution around the building will increase.
What is the dependent variable in this experiment?
The amount of air pollution
Identify each example of a nonrenewable energy source.
Petroleum, Biomass, Natural Gas, Coal, Geothermal
Petroleum, Natural Gas, and Coal
What is the largest planet in the solar system?
What is the reason some of the earth’s energy received from the sun returns back into space?
It is reflected by clouds and Earth's surface
Which layer of the atmosphere contains ozone?
Stratosphere
Which phase of the moon is labeled #5?
Full moon
How could a farmer keep a hillside from eroding during a rainy season?
Plant trees
What 2 things cause the Earth to have seasons?
The tilt of Earth's axis, the distance of Earth from the Sun, the revolution of Earth around the Sun
The tilt of the Earth’s axis and the revolution of the Earth around the Sun
As altitude increases, the air pressure —
Decreases
The instrument that measures air pressure is known as —
Barometer
What is the invention that lets people see into space? HINT: It is NOT a microscope
Telescope
Solar, Hydroelectric, Geothermal, Wind
1. Geothermal, 2. Wind, 3. Solar, 4. Hydroelectric
Which planet is closest to the Sun?
Mercury
What is an example of convection?
Answers will vary.
What causes day and night? Use one of the following words in your answer: rotation, revolution
The rotation of Earth on its axis
Why is responsible waste management an important issue?
No matter where garbage is placed, it damages the environment.