Ecology
What is the definition of "Hydrosphere"
All of the water (oceans, lakes, rivers) on the Earth
What is the third group of elements on the periodic table? (Metal, Non-metal, ____)
Metalloid
Name a pair of charges that will result in them repelling each other
positive and positive or negative and negative
Give an example of a quantitative observation
Varies
What is a pure substance?
It contains only one type of atom, or it is completely uniform throughout
What is the name for the type of ecosystems that are land-based
Terrestrial
Is viscosity a chemical property or a physical property?
PHYSICAL!
Which two subatomic particles are in the nucleus?
Proton and Neutron
Draw the symbol for a household material that is labeled CAUTION EXPLOSIVE
Ms. Viers will draw
What does resistance do in a circuit?
Slows or stops the current
In the carbon cycle, how does carbon move from the atmosphere to the plant?
Photosynthesis (plants take in CO2)
As you move across the groups of the periodic table, what property follows pattern?
Elements get less reactive
What is the difference between static and current electricty?
Static is a charge on the surface of objects, current is a charge that moves in one direction through an object
What TWO words HAVE to be in a written hypothesis?
IF, THEN
A gas changing into a solid is called what? (hint: NOT solidification!)
Deposition
If different organisms have the same food source, what type of relationship do they have?
Competition
How do we find the number of neutrons in an element?
# neutrons = mass number - atomic number
Which can we NOT get shocks from, conductors or insulators?
Conductors
Which is the variable in an experiment that WE change?
Independent variable
What is sustainability?
Ensuring there will be enough resources for future generations
When looking at a food web, which group/type of organism will there be the MOST of?
Producers
When a chemical change happens between two liquids, and a solid is formed in that liquid, what is the resulting solid called?
Precipitate
What is the job of a fuse in a circuit?
List 2 constants in this experiment:
Students conducted an experiment to determine how varying amounts of sunlight affect the growth of sunflowers. They set up three groups of sunflowers, each receiving different amounts of sunlight: 2 hours, 4 hours, and 6 hours per day. The height of the plants was measured over four weeks.
Varies
Identify each element present in the formula, the # of each atom, & record total # of atoms in the molecule:
Li2SO4
Lithium: 2
Sulfur: 1
Oxygen: 4