Science Test 6

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Science Test 6
Name:______________
Multiple choice:
1. Which state of matter is made up of ions?
a.
b.
c.
d.
Solid
Liquid
Gas
Plasma
2. Ions are?
a.
b.
c.
d.
Molecules that have a negative charge
Cytoplasm
Atoms that have lost or gained electrons
Atoms that have lost or gained protons
3. When a liquid turns into a gas this is called:
a.
b.
c.
d.
Sublimation
Vaporization
Condensation
Ionization
4. When a solid turns into a gas this is called:
a.
b.
c.
d.
Sublimation
Vaporization
Condensation
Ionization
5. Scientist believe that the temperature of space is:
a.
b.
c.
d.
Absolute zero
32 degrees Fahrenheit
10 degrees Kelvin
20 degrees Celsius
6. When a solid changes to a liquid, this is called:
a.
b.
c.
d.
Melting
Deposition
Condensation
Freezing
7. When a gas changes to a solid, this is called:
a.
b.
c.
d.
Melting
Deposition
Condensation
Freezing
8. Water’s ability to dissolve other substances is known as:
a.
b.
c.
d.
Polarity
Surface tension
Solubility
Viscosity
9. Water’s ability to form hydrogen bonds is known as:
a.
b.
c.
d.
Polarity
Surface tension
Solubility
Viscosity
10. Water has a high heat capacity because it:
a.
b.
c.
d.
Gets hot quickly
Holds heat for a long time
Gets cold quickly
Boils quickly
Short Answer:
11.Which has a higher viscosity hot syrup or cold syrup?
12.Describe an example of surface tension on water:
13. When a gas becomes plasma this is known as what?
14.When a liquid becomes a solid, this is known as what?
15.Give 2 examples of plasma:
16.Which state of matter has definite shape and definite volume?
17.Which state of matter has definite volume, but not definite shape?
18.Why does metal have a low heat capacity?
19. Every substance with a pH below 7 is a?
20. Every substance with a pH above 7 is a?
21.Give an example of a substance that is neutral on the pH scale?
22.Give an example of an acid?
23. Give an example of a base?
24.What is a buffer?
25.Give an example of a buffer:
26.2 types of heat engines are:
27.Heat naturally moves from___________________ to _________________________.
Matching
A.
B.
C.
D.
E.
F.
G.
H.
I.
J.
K.
L.
M.
N.
O.
Ion
Sublimation
Plasma
Absolute zero
Deposition
Heat capacity
Kelvin scale
Viscosity
pH scale
polarity
solubility
acid
hydrogen bond
surface tension
base
28.___ a range of values from 0 to 14 that indicates the concentration of hydrogen ions in
a solution
29.____ the quality of having opposite charges for different points of a molecule
30.____ a substance with a pH less than 7.0
31.____ a weak bond that connects hydrogen- containing molecules at polar areas.
32.____ the lowest possible temperature at which matter has no remaining thermal or heat
energy.
33.____ the ability to store and release heat energy.
34.____ the elastic property of liquids that allows drops to form and creates the smallest
area possible at the surface of a liquid.
35.____ the ability of one substance to dissolve in another.
36.____ a temperature scale that begins at absolute zero.
37.____ superheated gas composed of electrically charged particles.
38.____ an atom that has gained or lost one or more electrons.
39.____ the resistance of a liquid to flow.
40.____ a substance with a pH greater than 7.0.
41.____ the change from a solid to a gas without passing through the liquid state.
42.____ the change from a gas to a solid without passing through the liquid state.
Extra Credit:
-
Why is water sticky?
-
What is water’s adhesion?
-
What is water’s cohesion?
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