CSET SOCIAL SCIENCE SUBTEST 3 EXAM 2024/
ACTUAL EXAM QUESTIONS WITH CORRECT
VERIFIED ANSWERS/ RATED A+
Convection - ANSWER - -Occurs when hot air is less dense than cool air and therefore
rises.
Examples: Upward flow of air due to a fire or hot object, and the circulation of water in a
pot that is heated from below.
Process of hot gasses/fluids rising
-Hot is less dense than cool
Incandescent Light Bulb - ANSWER - -Source of electric light
-Electric current passes through a thin filament, heating it until it produces light
-Glass bulb keeps oxygen from reaching the hot filament
Fluorescent Tube Light - ANSWER - -Gas discharge lamp that uses electricity to excite
mercury vapor
-Mercury produce short wave UV light that causes phosphor to fluoresce, producing
light
-More efficient than incandescent lamp (energy not lost though heat)
-less power for the same amount of light-- lasts longer-but bulkier and more expensive.
Refraction - ANSWER - Explains why objects appear bent as light passes from one
transparent object into another.
Example: straw in glass appear bents
-Responsible for Rainbows and for the splitting of white light into a rainbow-spectrum as
it passes through a glass prism.
pg. 1
,Optics - ANSWER - -Refraction occurs when light waves travel from a medium with a
given refractive index to a medium with a different index
-Lead to invention of lenses and refracting telescope
example: light will refract as it enters and leaves glass, assuming there is a change in
the refractive index
Reflection - ANSWER - -Light travels in straight lines
-Object is visible because light is reflected from the object into our eyes
-Change in direction of a light ray
Law of Reflection - ANSWER - For smooth surfaces, the angle at which the light hits the
surface is the angle it is reflected at
Weight - ANSWER - Gravitational pull on an object measured in Newtons
-NOT MASS
Density - ANSWER - -Mass/volume
-Measure of compactness
(d=m/v)
Hardness - ANSWER - -Various properties of matter in the solid phase that give it a high
resistance to its shape changing when force is applied
-3 Operational Definitions
Scratch Hardness - ANSWER - Resistance to fracture or plastic (permanent)
deformation due to friction from a sharp object
pg. 2
,Indentation Hardness - ANSWER - Resistance to permanent deformation due to a
constant load from a sharp object
Renewable Energy - ANSWER - generated from natural resources-- such as sunlight,
wind, rain, tides, and geothermal heat-- which are renewable (naturally replenish)
Nonrenewable Energy - ANSWER - energy taken from finite resources that will
eventually dwindle, becoming too expensive or too env. damaging to retrieve
>> Coal, petroleum, and natural gas.
-When fossil fuels are burned, they release trapped energy in the form of carbon dioxide
into the atmosphere.
-the Burning of coal contributes to Acid rain
5 Groups of Plants - ANSWER - 1. Fungi
2. Algae
3. Ferns
4. Gymnosperms
5. Angiosperms
Fungi - ANSWER - -Mold, yeast, and mushrooms
-Lack chlorophyll->cannot make food->parasites preying on other living organisms
-Can also be SAPROPHYTES existing on waste products and decaying organisms
-Lack true roots, stems, and leaves
- More primitive group
Examples: molds, yeast, and mushrooms
Algae - ANSWER - -Mostly Inhabit lakes and oceans
-Lack true roots, stems, and leaves
-More Primitive group
pg. 3
, Examples: from a single cell to huge seaweed
Ferns - ANSWER - -Lack seeds->reproduce by means of spores
-Spores develop into a new plant without fertilization
Gymnosperms - ANSWER - -Cone bearing plants (like pine trees) with seeds exposed
on code scales
Angiosperms - ANSWER - -Flowering plants
-Bear their seeds within fruit
Ovule - ANSWER - -Structure that gives rise to and contains the female reproductive
cells.
-After fertilization, ovule develops into a seed
-Depending on the plant, flowers may have one or multiple ovules per ovary.
Photosynthesis - ANSWER - -Metabolic pathway that converts light energy into
chemical energy, feeding the plant
-Plants use the energy in sunlight to convert CO2 from the atmosphere into simple
sugars.
- Sugars are used as building blocks & form the main structural component of the plant
-Chlorophyll (green-colored, magnesium-containing pigment) is crucial in this process
6C02+6H20+Light-->C6H12O6+6O2
carbon dioxide+H20+energy------>Sugar oxygen
(chlorophyll)
- Plants absorb carbon dioxide and give off oxygen
-The sugar made by plants can be oxidized and release energy. Oxidized by plant itself
or in an animal that eats the plant. (Kreb cycle)
Cell - ANSWER - -Smallest unit of living matter
pg. 4
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