Weather Patterns
Oceans and Climate
The Periodic Table
Atoms, Compounds, and Molecules, OH MY!
Properties of Matter
Middle School Science WILD CARD
100
Air molecules move more slowly and are closer together when they are…
Colder
100
What factor only impacts surface ocean currents, not deep sea?
Wind
100
What is the name of the chart that organizes all the known elements
The Periodic Table
100
What is the smallest unit of matter that still has the properties of that element
Atom
100
What type of property can be observed with the senses or measured with tools
Physical
100
What phase change occurs when a solid changes to a liquid?
Melting
200
This type of pressure system is associated with clear skies
High Pressure
200
Ocean currents move in large rotating systems called…
Gyres
200
What are horizontal rows on the periodic table called?
Periods
200
What are the primary subatomic particles that determine an element's reactivity?
Valence electrons
200
What type of property can only be observed when a substance undergoes a chemical change
Chemical
200
A trait that helps an organism survive in its environment.
Adaptation
300
This type of pressure system is associated with stormy or cloudy weather
Low Pressure
300
As temperature increases, density…
decreases
300
What are vertical columns on the periodic table called?
Groups
300
Element or Compound: H2O
Compound
300
Elements with similar properties are in the same _____ on the periodic table.
Group
300
The continuous process of changing rock from one form to another.
The rock cycle
400
Warm air rises, creating an area of this type of pressure below it
Low Pressure
400
As salinity increases, density…
increases
400
How many valence electrons do Alkali Metals have?
1 Valence Electron
400
What subatomic particle determines an atom’s elemental identity?
Protons
400
These compounds have a crystalline structure
Ionic compounds
400
Process by which water vapor changes back into liquid water, forming clouds.
Condensation
500
This property of air is the force exerted on a given area
Air Pressure
500
Deep sea currents are created by differences in density. 2 main factors cause these differences. Name both.
Temperature and Salinity
500
What group are the Halogens in?
Group 17
500
Element or Compound: Cl2
Element
500
Boiling point and color are ________ properties
physical
500
The fifth planet in the solar system
Jupiter
600
Hotter air molecules rise above cooler ones because they are…
less dense
600
This process occurs when certain gases in the atmosphere trap heat, warming the Earth
Greenhouse Effect
600
This group is unreactive and rarely forms compounds
Noble Gasses
600
A covalent compound is formed between what type of elements?
Nonmetals
600
Reactivity and flammability are _________ properties
Chemical
600
A close relationship between two different organisms where at least one benefits.
Symbiotic relationship
700
This type of wind occurs during the day when warm air rises over the land
Sea Breeze
700
Name 2 causes for sea level rise.
Thermal expansion, melting glacial ice
700
Name the 2 most reactive groups on the periodic table
Alkali metals
Halogens
700
An ionic compound is formed between what type of elements?
Metal and Nonmetal
700
These compounds can conduct electricity when dissolved in water.
ionic
700
A fossil used to determine the relative ages of rock layers.
Index Fossil
800
A cold front is represented by what symbol on a weather map?
A blue line with triangles
800
Gyres are caused by the circling of global wind systems called…
Trade Winds
800
How many valence electrons do the halogens have?
Seven
800
How many electrons can the first energy level of an atom hold?
two
800
These compounds tend to have a lower melting point
covalent
800
Ribosomes are responsible for creating...
proteins
900
This type of front is characterized by light rain
Warm Front
900
Name 2 examples of greenhouse gasses
Examples: CO2, CH4, N2O, water vapor, chlorofluorocarbon, Hydrofluorocarbons
900
This group has properties of both metals and non-metals
Metalloids
900
Atoms bond until they have a ________ outer energy level.
Full
900
Which group on the periodic table is known for being highly reactive, soft, and silvery?
Alkali metals
900
The type of rock formed from solidified magma.
Igneous Rock
1000
This type of front is characterized by heavy rain and storms
Cold Front
1000
Greenhouse gases absorb what type of radiation?
Infrared Radiation
1000
These metals are highly reactive, but slightly less so than alkali metals.
Alkaline Earth Metals
1000
Where are protons and neutrons located in an atom?
Nucleus
1000
Which group on the periodic table has elements in all 3 states of matter at room temperature?
Halogens
1000
What moon phase is shown?
Waxing Gibbous