Transcript Chemistry - Arapahoe High School

Chemistry
Earth
Science
More
Chemistry
Biology
???
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Chemistry – 100
List the three parts of an atom and their
respective charges.
Proton (positive)
Neutron (neutral)
Electron (negative)
Chemistry – 200
Label A, B, and C as a solid, liquid, or gas.
A
B
C
A: Solid, B: Liquid, C: Gas
Chemistry – 300
What is this element’s atomic mass?
What does the atomic mass tell us?
(2 things)
3
6.94
Li
Lithium
Mass = 6.94. Mass tells us the
number of protons, and also the
number of neutrons
Chemistry – 400
When looking at a molecular formula, which is
the coefficient, which is the subscript? And,
which one can be changed in order to
balance an equation? 3H20
3 = Coefficient, 2 = Subscript
Coefficient can be changed
Chemistry – 500
Tell whether the following are compounds,
elements, heterogeneous or homogenous
mixtures.
Com Salt
Com Water
Homo Salt dissolved in water
Hetero Sand in water
Ele Copper
Earth Science - 100
Observe the geologic cross section. The
arrow indicates a:
A. Tectonic Plate
B. Magma Chamber
C. Volcanic Event
D. Fault Line
D. Fault Line
Earth Science - 200
A Quarter Moon
Earth Science - 300
Where does seafloor spreading occur?
What leads to seafloor spreading?
Seafloor spreading occurs along oceanic
ridges/the oceanic ridge system.
Magma is injected into newly developed
fractures on the seafloor
Convection within the mantle
Earth Science - 400
Label the diagram with inner core,
crust, mantle, and outer core.
A.
B.
C.
D.
A. Crust, B. Mantle, C. Outer Core
D. Inner Core
Earth Science - 500
Label the diagram below with the layers of the atmosphere:
stratosphere, mesosphere, troposphere, thermosphere,
exosphere.
A.
B.
C.
D.
E.
A. Troposphere, B. Stratosphere,
C. Mesosphere, D. Thermosphere, E. Exosphere.
More Chemistry - 100
Which of the following has a negative
charge? anion or cation?
Anion, which means it GAINS electrons.
More Chemistry- 200
Answer: D
More Chemistry - 300
Potassium carbonate (K2CO3) is an important component of
fertilizer. The partially balanced equation for the reaction of 6
moles of potassium hydroxide (KOH) and 3 moles of carbon
dioxide (CO2) to produce potassium carbonate and water is
given below.
6KOH + 3CO2 → __ K2CO3 + 3H2O
When this equation is balanced, what is the coefficient for
potassium carbonate? (Remember, coefficients are the
numbers in front!)
A. 2
B. 3
C. 6
D. 9
Answer: B.
More Chemistry - 400
Label each item below as a physical or chemical
change:
P
P
P
C
C
P
Mixing salt and pepper
Freezing water
Cutting a marshmallow
Toasting a marshmallow
Burning wood
Adding chocolate syrup to milk
More Chemistry- 500
Which color represents the nobel gases?
Orange
Biology - 100
A biologist uses a light microscope to observe a
cell. He concludes that the cell is from a plant.
– What are two observations the biologist may
have made?
Must have at least two of the items
listed blow:
•
•
•
•
Presence of chloroplasts or chlorophyll
Presence of a cell wall
Presence of central vacuole/vacuoles
Cell shape is square or boxy
Biology - 200
Which of these describes the action of
antibiotics?
o Antibiotics replace the immune system.
o Antibiotics lower body temperature.
o Antibiotics destroy viruses.
o Antibiotics slow bacterial growth.
Antibiotics slow bacterial growth
Biology - 300
What can you infer about the diet of this
animal given it’s teeth?
Pointed, large canines and incisors,
probably a carnivore.
Biology - 400
Identify one mechanism in which sexual
reproduction leads to genetic variability.
One of the following:
Mixing of genes/DNA from parents
Independent assortment
Cross-over and recombination
Biology - 500
Cyanide is a powerful poison because it inhibits an enzyme in
mitochondria, preventing the transfer of energy during one of
the steps in cellular respiration. This poison would directly affect
the production of which of the following molecules?
A. ATP
B. glucose
C. oxygen
D. RNA
ATP
??? - 100
A hypothesis should always be
written as an _______, ________,
________ statement.
If, Then, Because
??? - 200
Name at least four things you should
include when making a graph.
Title, X Axis Title, X Axis Units,
Y Axis Ttile, Y Axis Units,
Key/Legend, Data Points with line
connecting, etc.
???- 300
In an electrical circuit, the voltage (V) is 35 volts
and the resistance (R) is 5 ohms.
If Ohm’s Law is (V = IR), what is the current (I) in
the circuit?
o 0.14 ampere
o 7.0 amperes
o 175 amperes
o 350 amperes
7.0 amperes
??? - 400
A student wants to study the effect of temperature on plant
growth. The student grows ten plants at room temperature
and ten plants in a greenhouse where the temperatures are
warmer.
What is the most likely reason the student grows ten plants at
each of the temperatures?
A.
B.
C.
D.
to collect enough data to be able to plot a graph
to increase the reliability of her results
to ensure that some plants would survive
to be able to publish the study in a science journal
Answer B.
??? - 500
How does air pressure
change with increasing
altitude in the atmosphere?
Pressure decreases as
altitude increases.
Final Jeopardy
Match each type of heat transfer with the correct definition.
Convection, Conduction, Radiation
Movement of heat through a solid, done by direct contact.
Movement of heat through a liquid or gas by currents.
Movement of heat through space.
Convection: liquid, gas, currents
Conduction: solid
Radiation: space