Show:
Questions
Responses
Print
Chemistry
Chemistry
The Environment
Weather
Weather
100
If something has a pH level between 8 and 14 it is called _________________
What is a base
100
This element has 82 electrons
What is lead
100
This is a type of rain that contains harmful pollution
What is acid rain
100
In the water cycle, when water runs from the mountains to the ocean, we call it this.
What is run off
100
When two air masses meet, they create a front. When a warm air mass is stronger than a cold air mass, we call it this type of a front
What is a warm front
200
If something has a pH level between 1 and 6, it is called ___________
What is an acid
200
This element has 19 protons
What is potassium
200
This can also be called a 'red tide'
What is an algae bloom
200
When water changes from a liquid to a solid, it does this
What is freezes
200
The layer of the biosphere we call the lithosphere can also be called this
What is earth
300
If something has a pH of 7, it is called ___________
What is neutral
300
This type of compound forms when two elements are sharing an electron
What is molecular compound
300
When people take too many fish from the ocean and the fish disappear, we call it this
What is over fishing
300
When water changes from a liquid to a gas it does this
What is evaporates
300
This is the word that means the earth is going around the sun
What is orbit
400
An atom of Magnesium has this many electron shells
What is 3
400
This type of compound forms when one element gives an electron and another elements takes an electron
What is an ionic compound
400
In the carbon cycle, when we bring carbon out of the earth and burn it we call it this
What is a fossil fuel
400
When two air masses meet they create a front. If both are equally strong and do not create a change in the weather, we call it this type of front
What is a stationary front
400
Earth has three features that effect weather: Or orbit, our tilt and this third feature
What is our curved surface
500
The symbol for this compound is NH4+
What is ammonium
500
Chemical formula OH- is called _________
What is Hydroxide
500
This word means an ecosystem is able to support life and can change and still stay healthy
What is sustainability
500
When we use data to try to guess what the weather will be like in the future, we are doing this
What is forecasting
500
This is the name for radiation coming to Earth from the Sun
What is incoming radiation