Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
12 Cards in this Set
- Front
- Back
|
What is Streak?
|
The color of the powder left when a mineral is rubbed against a hard, rough surface.
|
|
|
What is hardness?
|
How well a mineral resists scratching.
|
|
|
What is renewable resource?
|
A resource that can be replaced in a short period of time.
|
|
|
What is ozone layer?
|
A layer of ozone gas in the atmosphere that screens out much of the Sun's UV rays.
|
|
|
What is desalination?
|
Getting fresh water from seawater.
|
|
|
What is geothermal energy?
|
Earth's internal energy.
|
|
|
What is groundwater?
|
Water that seeps into the ground into spaces between bits of rock and soil.
|
|
|
What is a reservoir?
|
A storage area for freshwater supplies.
|
|
|
What is biomass?
|
Plat matter or animal waste that can be used as source of energy.
|
|
|
What is a fossil?
|
The remains or imprint of living things of the past.
|
|
|
What is smog?
|
A mixture of smoke and fog.
|
|
|
How can rain be harmful?
|
When wastes from burning fossil fuels mix with moisture becoming acid rain.
|
