Matter
something that has mass and takes up space
AG
what is silver
what is 3%
name two activities we did as part of the ED unit
answers will vary
what is an educated guess?
hypothesis
all things on earth are made up of these
what are atoms
O
what is oxygen
What is it called when people want to preserve water
water conservation
What was the name of guest speaker we had?
Dr. Elwell
Why is the scientific method important/.
What is so that tests that be repeated and the same answer received.
three parts of an atom
what is electron, proton, neutron
elements are organized by what
atomic number
Most of the worlds freshwater is located where
what is arctic circle--ice caps
how many steps are there in the EDP
7/5
What is the last step of the scientific method?
conclusion/share results
three states of matter
what is solid, liquid & gas
Name three categories on periodic table
metals, metalloids & noble gases
what solid is used in water treatment plants that we used in mixed materials?
alum
How does the EDP never end?
test & improve
every experiment must have a ?
what is control?
what is condensation
How do you find the number of neutrons in an atom
subtract mass- atomic number
name the four steps of the water cycle-- think magic school bud.
precipitation, evaporation, condensation precipitation.
how does the EDP always start?
a problem is identified by an engineer
What is a control
a variable that doesn't change to ensure only one thing is being tested.