Space
What is a comet?
a ball of frozen gas and dust that orbits around the sun
What type of animal was the first to orbit earth?
A dog!
What is an aquifier?
the zone beneath the water table that is saturated with water
What is a watershed?
What is Convection?
The movement of heat by the circulation of liquid or gas
What is a moon?
is a natural rock object that orbits around a planet
What is a meteor?
a small piece of an asteroid or comet that breaks apart and enters the earths atmosphere
What is ground water?
groundwater is water located under the ground within soil and rock
What is a water table?
the boundary between the unsaturated zone and the saturated zone
What is radiation?
The movement of heat through electromagnetic waves
What is a satellite?
something that orbits around a planet or star
What is a planet?
A planet is a large natural object that orbits or travels around stars
What are two reasons why we are facing the global water crisis
Pollution and wasting water
What is salinity?
a measure of salt concentration in water
What is conduction?
The movement of heat by direct contact
What is a sundial?
an instrument used to show the time by using the shadow of a pointer cast by the sun
What are two cons of space exploration?
-cost
-can harm the environment
Name one pathogen found in water and it's impact on humans
Example:
E. coli- diahrrea, vomiting, kidney failure, etc.
What's the difference between an icecap and a glacier?
An icecap is a large covering of ice over an area of land. A glacier is a slow moving mass of ice formed over hundreds of years.
what is the difference between renewable and non-renewable energy?
A nonrenewable resource is something that can only be used once (gas, diesel). A renewable resource is something that can be used more than once because it is replaced naturally (the sun)
How is mass different than weight?
Mass is a measure of the amount of matter in an object. Weight is a measure of the gravitational pull on an object.
What are two pros of space exploration?
-can help to monitor climate change
-space education
What is the difference between evaporation and condensation?
Evaporation is water turning into gas. Condensation is where a gas turns into a liquid.
What is the water crisis?
The world is running out of fresh water
Name 2 points of the particle theory of matter