Topic 1.1
Presentation
•
Biology
•
KG - University
•
Easy
+3
Standards-aligned
MICHAEL SZCZEPANIK
Used 3+ times
FREE Resource
14 Slides • 17 Questions
1
2
Fill in the Blanks
Water's cohesive, adhesive, thermal, and solvent properties come about because of its
Type answer...
3
Multiple Choice
What type of bonds can water molecules form because of its polarity?
Covalent
Ionic
Hydrogen
Metallic
4
5
Match
Hydrogen
Oxygen
Hydrogen to Hydrogen
Hydrogen to Oxygen
slightly positive
slightly negative
epel
attract
slightly positive
slightly negative
epel
attract
6
7
Match
When water is in a liquid state
When water is in a solid state
Water's expansion
... hydrogen bonds are breaking, reforming, and moving around.
... hydrogen bonds are less flexible, causing water to expand.
... causes ice’s density to decrease
... hydrogen bonds are breaking, reforming, and moving around.
... hydrogen bonds are less flexible, causing water to expand.
... causes ice’s density to decrease
8
9
Multiple Choice
When positively charged ions like Na+ are in water, ____ is attracted to it.
hydrogen
oxygen
10
Open Ended
When negatively charged ions like Cl- are in water, hydrogen is attracted to it. Explain
11
12
13
Match
Adhesion
Cohesion
Water beads up on a leaf because of
Water sticks to the glass in a graduated cylinder because of
Water molecules stick to molecules other than water
Water molecules stick to other water molecules
Cohesion
Adhesion
Water molecules stick to molecules other than water
Water molecules stick to other water molecules
Cohesion
Adhesion
14
15
Fill in the Blanks
Water's polarity allows it to dissociate ions in salts and bond to other
Type answer...
16
Fill in the Blanks
In contrast,
Type answer...
17
18
Match
high specific heat capacity
high heat of vaporization
large water bodies will maintain a relatively stable temperature
Sweating is a very effective cooling mechanism
It takes a lot of energy before it will change temperature.
It takes a lot of energy to transform it from the liquid to the gas phase.
high specific heat capacity
high heat of vaporization
It takes a lot of energy before it will change temperature.
It takes a lot of energy to transform it from the liquid to the gas phase.
high specific heat capacity
high heat of vaporization
19
20
Reorder
The liquid environment supports life and __(1)__ , which depend on __(2)__ (solutes) coming into contact. Water can also act as __(3)__ (donating H+) or __(4)__ (receiving H+) in chemical reactions.
metabolic processes
a base
an acid
dissolved reactants
21
22
Reorder
Water's __(1)__ is responsible for its __(2)__ (a function of its many hydrogen bonds). This means water bodies __(3)__, providing a relatively __(4)__ environment.
cohesion
high specific heat capacity
heat up and cool down only slowly
stable thermal
23
24
Multiple Choice
Sweating and panting causes water to evaporate from it's surface causing ...
heat from the BODY to transfer to the AIR, COOLING the body.
heat from the AIR to transfer to the BODY, HEATING the body.
heat from the BODY to transfer to the AIR, COOLING the body.
heat from the AIR to transfer to the BODY, COOLING the body.
25
26
Reorder
The __(1)__ of ice relative to liquid water means that __(2)__.
This __(3)__ the underlying water and maintains the aquatic habitat.
A lot of energy is needed for water to change state, so water has a __(4)__ on climate.
lower density
buffering effect
insulates
ice floats
27
28
Multiple Choice
Define Universal Solvent
ability to dissolve many substances
ability to dissolve all substances
ability to dissolve substances under all conditions
ability to resist temperature changes
29
30
Open Ended
Why is water being colorless important for life?
31
Poll
How confident is your understanding of this material?
I know it! Very confident!
I kinda get it. I am somewhat confident.
I still have a few questions, or I need to review more.
HELP! I am so lost!
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