Show:
Mass, volume,density,matter
Acids and bases
Water
Physical and chemical
100
______ is anything that takes up space ______ is the amount of space taken up ______ is the measure of mass per unit volume ______ is a quantitative measure of an object's resistance to acceleration. or the property of matter which gives it both inertia and weight.
What is Matter, volume, density, mass
100
Blue litmus turns _____ in the presence of an acid Red litmus turns _____ in the presence of a base
What is red and blue
100
_____ is the percentage of salt water on earth _____ is the percent of fresh water ____ percent of the fresh water is accessible to us. ____ water is water that seeps into the ground ____, _____,_____,_____ are 4 fresh water sources
What is 97%, 3%, 1%, ground water, rivers, lakes, ice, groundwater
100
Physical properties ____________ WRITE DEF Chemical properties ____________ WRITE DEF Physical change ________________ WRITE DEF Chemical change _______________ WRITE DEF
What is can be observed with senses without changing the matter, can only be observed as it changes state of matter, change of state, no new substance change in state, new substance
200
4 states of matter are
What is solid,liquid, gas, plasma
200
When acids "eat away" at metals and carbonates it is called_______
What is corrosiveness
200
Aquifers are_________ pores in the aquifers ______ the water a ______ is a body of water that sits behind a dam, and changes the natural flow of the water
What is large body of rock or sediment that stores water, collect, reservoir
200
Answer cp for chemical property, pp for physical property, cc for chemical change, pc for physical change. _____ sour taste _____ flammability _____ rusting iron _____ melting ice cube
What is pp, cp, cc, pc
300
LxWxH is the way of measuring _______ Water displacement can be used to measure the volume of _______ objects
What is volume and irregular
300
3 types of indicators are:
What is litmus paper, pH paper, cabbage juice.
300
drinkable water is called _____ water Point source pollution is _______ Nopoint souce pollution is _______
What is potable, 1 specific source can be fixed when problem found, many small sources hard to fix.
300
T or F _____ 4 states of matter is an example of physical change _____ Chemical changes can be undone _____ Variables such as temp do not affect chemical and physical changes.
What is t, f ,f
400
In the changes of state: Solid to gas_______ Gas to solid_______ Gas to a liquid_____ Liquid to a gas_____ Liquid to solid______ Solid to liquid______
What is sublimation, deposition, condensation, evaporation,freezing, melting
400
The pH scale ranges from__ to__ neutral is ________ which number means very acidic___ which number means very basic___
What is 0-14, 7, 0, 14
400
Chemical pollution is _________ eutrophication is________ Biological pollution is______ thermal pollution is ______
What is when harmful chemicals are added into the water, when due to human activity the nutrients levels rises in the water, when live or dead organisms are added to the water, when heated water is added and there isnt enough oxygen for the organisms and they cant adapt.
400
During the phase change does the temperature stay the same even though the heat energy changes?
What is yes.
500
In a bottle with honey, oil, and dish soap which is least dense?
What is oil?
500
Acids have a lot of ___ ions Bases have a lot of ___ ions
What is H+, OH
500
Name the 8 water quality test we did
What is nitrogen, phosphates, turbidity, total solids, fecal coliform, B.O.D, dissolved oxygen, pH
500
in chemical reactions does there involve a change in energy? If so why?
What is Energy is neither created or destroyed. Energy is absorbed or released in chemical reactions.