Transcript on the Periodic Table

What particles would you find in this
area of an atom?
Protons
and
Neutrons
You need to find the mass of an atom. This
atom contains 8 neutrons, 7 electrons,
and 7 protons. What is the mass of this
atom?
8 Neutrons + 7 Protons = 15
Electrons are –
A. Positively charged particles found in orbitals
surrounding the outside of the nucleus
B. Positively charged particles inside the nucleus of
an atom
C. Negatively charged particles found in orbitals
surrounding outside of the nucleus
D. Negatively charged particles inside the nucleus of
an atom
Which of the following is used to
identify an element?
A. Protons
B. Ions
C. Electrons
D. Neutrons
Which of the following particles are NOT
found in the model shown?
A. Photons
B. Neutrons
C. Protons
D. Electrons
The table above shows the subatomic particles found
in an neutral atom. What number would complete the
table?
6
+6 (protons) + -6 (electrons) = 0 net charge (neutral)
The picture below shows a model of
which element?
N
Nitrogen
Use the periodic table to answer the following question:
What type of elements would you most likely find to the left of
the black stair-step line?
METALS
What are rows in the Periodic Table called?
Periods
Use the periodic table to answer the following question: Which
number set correctly identifies the atomic number of each
element?
A. The numbers located at the bottom inside each box
B. The numbers found above the Periodic Table (Example: 6B)
C. The numbers located at the top inside each box
D. None of these numbers represents the atomic number
The atomic masses of the elements follow a
pattern on the Periodic Table. Using arrows
show the direction in which the atomic
masses of the elements increase –
A
C
B
An element is normally found as a gas and cannot conduct heat
and electricity. Referring to the diagram of the periodic table
provided, where on the periodic table would this element most
likely be located?
A.
Location 1
B.
Location 2
C.
Location 3
D.
Location 4
You need to identify a particular element. It is in the same group as
Helium (He) and the same period as Silver (Ag). What is the atomic
mass of this element?
131.3
Using your Periodic Table, predict which element
would have similar properties to Sulfur (S) ?
A. Chlorine (Cl)
B.
Sodium (Na)
C.
Selenium (Se)
D. Nitrogen (N)
Be3Al2(SiO3)6
How many atoms of the
element beryllium are in the
above compound?
3
C6H12O6
The subscripts in the formula above provide
information about –
A.
B.
C.
D.
the number of molecules present
the number of compounds present
the number of atoms of each element
present
the name of each element present
With respect to the Law of Conservation of Mass,
what is the most accurate way to describe what
happens to the atoms involved in a chemical
reaction?
A. The reactant atoms are destroyed and new
product atoms are formed.
B. The reactant atoms are rearranged to form new
compounds called the products.
C. Nothing happens to the atoms during the
reaction.
D. Additional atoms are required in
order to make the products.
Chemical or Physical Change?
• Mowing the lawn
Physical
– the grass is
being cut NOT changed into a new
substance
Chemical or Physical Change?
• Baking Bread
Chemical
Chemical or Physical Change?
Water boils & becomes water vapor
Physical Change
Change in STATE no NEW SUBSTANCE PRODUCED!
H2 + Cl2 → 2
? HCl
Which number could replace the “?” to balance
the equation above?
A. 1
B. 2
C. 3
D. 4
(NH4)2CO3
How many atoms of hydrogen (H) are
found in this substance?
A.
B.
2
4
C.
D.
6
8
C6H12O6
How many total atoms are present
in this compound of glucose?
24
6 Carbon atoms + 12 Hydrogen atoms+ 6 Oxygen atoms = 24 Total atoms
Which equation obeys the Law of Conservation
of Mass (is balanced)?
A. N2 + 3H2 --> 2NH3
B. H2 + O2 --> 2H2O
C. 2Ag2O --> Ag2 + O2
D. N2 + H2 --> NH3
List the product(s) in this chemical reaction.
N2 + H2 --> NH3
What is one of the elements present in the
chemical substance CaSO4?
A. Calcium
B. Carbon
C. Silver
D. Argon
** Don’t forget to use your periodic table for this type of question!
What is the best name for atoms of two
different elements bonded together?
A. Compound
B. Mixture
C. Matter
D. Element
• What is the best explanation for what
happens during a chemical reaction?
• A. Two different substances must react with
each other for a chemical change to happen.
• B. The mass of the products must be different
than the mass of the reactants.
• C. One or more substances react to form new
substances that have new properties
• D. The reactants do not change identity, but
the reaction gives off gases or heat.
A precipitate is –
A. a solid substance that forms in a liquid as a result
of a chemical reaction.
B. the drops of liquid that form on a cold surface.
C. a foam that builds up on the surface of a liquid.
D. the separation of two liquids to form different
layers.
What is the total amount of force acting on the
box and in which direction?
30 N
A. 50N Left
B. 10N Left
C. 50N Right
D. 10N Right
20 N
Calculate the net force of the following situation:
2N
8N
Don’t forget to include direction!!!!
6N
to the right
The engine of a toy train provides a constant
force of 5N forward. What would happen if
the train were hit by a 8N backward force?
A. The train would stop moving.
B. The train would move backward.
C. The train would continue moving forward at a
slower speed.
D. The train would continue moving forward at
the same speed.
If the net force(total force) acting on the
box is 10N toward the right, what is the
magnitude of force X toward the left?
X
X
14 N
Coach Klein and Coach West are playing tug of war. Coach Klein
is pulling left on one end of a rope with 10N of force. Coach West
is pulling the rope in the opposite direction with 12 N of force.
Who is pulling the rope harder and by how many more Newtons
of force?
Coach Klein
Coach West
Coach West
wins!!!
by
2N of force
A ball is rolling across a field with a force of 20 N. If
the force of friction from the field is 4 N, what would
be the net force of the ball (include direction)?
20 N
16 N
to the
right
4N
In order to correctly determine the speed of an
object, you would need which of the
following:
I. Distance
II. Direction
III. Time
IV. Acceleration
Distance and Time
Eduardo rode his bicycle 24 meters to his
friend’s house down the block. It took him 2
minutes to arrive at his friend’s house. What
was Eduardo’s average speed?
A. 24 meters
B. 2 minutes
C. 2 meters per minute
D. 12 meters per minute
Speed = distance
time
Speed = 24meters
2 min
Look at the graph above. It shows how three
runners ran a 100-meter race.
Which runner won the race?
Which of the following would most accurately
describe a velocity?
A. hours, South
B. meters per second, South
C. meters per second
D. meters, South
A bike is moving at a constant speed of 10
meters per second. Which of the following
graphs best depicts this motion?
Which of the following is an example of
acceleration?
A. A car which had been moving comes to a
complete stop.
B. A car which had been moving at 30 mph is
now moving at 55mph.
C. A car which had been moving north turns to
the east while still traveling at 30mph.
D. All of the above.
According to Newton’s Law of Inertia (First Law of
Motion), a ball that is rolling across the ground
will –
A. continue to roll indefinitely because there is no
force acting on it
B. continue to roll unless there is an opposing force
acting on it
C. will stop unless there is an opposing force acting
on it
D. continue to roll regardless of the forces acting on
it
Victor kicked a 0.40 kg soccer ball with a force of
8 N, and Jose kicked a 0.20 kg soccer ball with
a force of 4 N. Whose ball had the greater
acceleration?
Hint:
Acceleration = Force
mass
A. Victor
B. Jose
C. Their accelerations were the same
D. None of the above
Victor
8N = 20
.4kg
Jose
4N = 20
.2kg
Examine the table below. Which of the
objects is producing the greatest force?
Force = mass times acceleration
A.
Soccer Ball
B.
Tennis Ball
C.
Marble
D.
Their forces are all equal
Soccer Force = .45 x 5 = 2.25
Tennis Force = .055 x 100 = 5.5
Marble Force = .015 x 1000 = 15
If a roller coaster cart suddenly stops,
it can cause the passengers to be
thrust forward into their seatbelts.
Which of Newton’s Laws of Motion
explains this?
st
1
nd
2
rd
3
Which movement in the diagram
shows a rotation?
A. Choice A
B. Choice B
C. Choice C
D. None of the above
What causes Earth to have day
and night?
The rotation of
Earth on its axis
What causes Earth to have seasons?
A. The tilt and rotation of Earth
B. The tilt and revolution of Earth
C. The elliptical orbit of Earth
D. The distance between Earth and the Sun
A student is using a globe to model the seasons.
If the southern hemisphere is tilted towards
the Sun, what season is occurring in Texas?
A. Summer
B. Fall
C. Winter
D. Spring
Earth is at a point in its orbit where it is not tilted
toward or away from the Sun. It is fall in the northern
hemisphere. What season is it now in the southern
hemisphere?
A.
Summer
B.
Fall
C.
Winter
D.
Spring
What change would occur if Earth
was not tilted on its axis?
A. Earth would not have day and night.
B. Nothing would change.
C. Earth would not experience the seasonal
changes we currently have.
Which letter on the moon phase chart is
showing a waxing gibbous?
A.
Choice A
B.
Choice B
C.
Choice C
D.
Choice D
The marines are planning to parachute troops
into enemy territory at night. During which
moon phase should they schedule the mission?
New
Moon
What is the lunar cycle?
A. The change in the shape of the Moon
B. The change in the amount of light reflecting
off the Moon that can be seen on Earth
C. The result of Earth orbiting around the Sun
for a period of one month
D. The light reflecting off the Moon’s areas that
have different amounts of metal
Which celestial body has the greatest effect on
ocean tides?
A. The Sun
B. The Moon
C. Earth
D. Mars
The speed of light is 300,000 km/second. How
far will light travel in 3 seconds?
A. 9,000 km
B. 90,000 km
C. 100,000 km
D. 900,000 km
Approximately how long does it take a ray of
light traveling from the Sun to reach Earth?
A.
In an instant
B.
8 minutes
C.
10 seconds
D.
2 days
In what galaxy is our Sun found?
A. The Andromeda galaxy
B. The Milky Way galaxy
C. The Sunflower galaxy
D. The Whirlpool galaxy
This diagram shows how stars are classified by
astronomers. What color is the star, Betelgeuse?
A.
Red
B.
Orange
C.
Yellow
D.
White
Use the diagram below and your knowledge of science
to answer the question.
What does the Herztsprung-Russell diagram tell us
about the star, Betelgeuse?
A.
It has low surface temperature and high luminosity.
B.
It has high surface temperature and high luminosity.
C.
It has low surface temperature and low luminosity.
D.
It has high surface temperature and low luminosity.
The major characteristic that determines the life
cycle of a star is –
A. the type of nebula that created it
B. the mass of the star
C. the color of the star
D. the density of the star
A scientist found fossils of the same tropical fern
in Africa, Antarctica, and Australia. What
conclusion can the scientist make?
A.
The fern can live in any climate.
B.
Birds who eat the fern also live in Africa, Antarctica, and
Australia.
C.
More evidence is needed to make a good conclusion.
D.
The continents have moved.
The Indian plate is converging with the Eurasian plate. Using
satellite views, what can be seen forming as a result of the
converging plates?
Mountains
form
What does a grouping of close contour
lines indicate on a topographic map?
A.
The location of water
B.
A meadow
C.
A steep slope
D.
A railroad
A student used the topographic map below
to plan a hike. What information is shown
by the contour lines?
A.
Distance
B.
Elevation
C.
Foliage
D.
Parking
On September 13, 2008, Hurricane Ike struck the Texas coast.
What information can be observed from the aerial photos taken
before and after the storm?
A.
The change in landforms due to
erosion caused by the storm
B.
The depth of the water in the
area
C.
The wind speed of the storm
D.
The tide levels expected for the
next storm
What does the symbol in the
picture below represent on a
weather map?
A Cold Front
A large mass of cold air moves into an area,
resulting in clear skies and low humidity. What
is occurring in this area?
A. A high pressure
B. A low pressure
C. A drought
D. A change in season
In the next couple of days, should
City A expect cooler or warmer
temperatures?
Cooler
Why does Houston, Texas have
different weather than Dallas, Texas?
Dallas
Houston
A.
Dallas has more tornadoes than Houston.
B.
Houston is larger than Dallas with more concrete.
C.
Houston is in a area of high pressure, and Dallas is an
area of low pressure.
D.
Houston receives heat and moisture from the Gulf of
Mexico , while Dallas is far from the coast
Galveston, Texas has warm, humid weather much of
the year while the weather in San Francisco, California
is typically cool. What is regulating the weather in these
areas?
A.
Ocean currents
B.
Easterly winds
C.
The Coriolis Effect
D.
Trade winds
An example of a predator-prey relationship
would be between which two organisms?
A. Dog and flea
B. Flower and bee
C. Grass and mouse
D. Lion and zebra
Food Web
•Overlapping food
chains in an
ecosystem
CONSUMERS
Producers
Decomposers
In the food web below, what powers the entire
food web, providing energy to every organism?
A.
Consumers
B.
Decomposers
C.
Producers
D.
Sun
Which organism in a typical marine food chain
possesses the greatest amount of energy?
A.
Phytoplankton
B.
Zooplankton
C.
Fish
D.
Whale
The hyenas are eating on the elephant
carcass. How are the hyenas classified?
A.
As a producer
B.
As a primary consumer
C.
As a parasite
D.
As a secondary consumer
Decomposer
• An organism that breaks down
dead or decaying organisms
Bacteria are
also examples
Image courtesy of
www.ebiomedia.com
mushrooms
Photosynthesis
• The food making process of green
plants
O2
6CO2 + 6H20
CO2
C6H12O6 + 6O2
Biotic
• The part of the environment made up of
living organisms and the organic matter
they produce
Dead leaves
are part of
the this
environment
Abiotic
• The nonliving or physical part of the
environment, including water, rocks,
light and temperature
These organs are in which
body system?
LIVER
Digestive
System
PANCREAS
Small intestine
Name the System:
• Structures
BONES
SKELETAL
SYSTEM
Functions
Provide Support &
Protect Vital Organs
Produces Red Blood
Cells
Stores Fats/Minerals
Movement
Name the System: CIRCULATORY
SYSTEM
• Structures
Heart, Blood,
Arteries & Veins
Functions
Helps pump blood
and transport
materials to all
parts of the body
Name the System:
• Structures
TRACHEA,
BRONCHUS,
BRIONCHIOLES,
ALVEOLI,
LUNGS
RESPIRATORY
SYSTEM
Function
EXCHANGE
OF CO2
AND
O2
The termites attack the trunk of the tree, using the
tree as a food source. The tree is being harmed in
the process. This relationship between the termites
and the tree is an example of -
•
•
•
•
A. commensalism
B. mutualism
C. parasitism
D. predator-prey
A temperate deciduous forest normally receives
30-60 inches of rain per year. One year, one of
these forests went through a drought and only
received 20 inches of rain the entire year. The
animals that live in the area will probably –
A. decline in number, but recover when rain levels go
back to normal.
B. decline in number, and become extinct.
C. grow in number, but return to normal when rain
levels go back to normal.
D. grow in number, and then become extinct.
According to the food web provided, which
would most likely happen if the weather caused
the Acacia Tree to grow well?
A.
The termite population would
decrease
B.
The giraffe population would
increase
C.
The baboon population would
decrease
D.
The hyena population would
remain unaffected
In some areas of Texas, rain water quickly moves
through layers of rock and is stored naturally
underground. The water is then pumped into homes
for people to use. What would cause the biggest
change on the amount of water available to people in
this area?
A.
B.
C.
D.
long periods of high temperatures
long periods without rainfall
non-porous rocks to store the water
below-freezing temperatures for many
consecutive days
John was changing the oil in his truck. He
dumped the used oil around a fence post to
keep weeds from growing. John didn't know it,
but he was hurting the environment because
the oil —
A. rots the base of the fence post and attracts
harmful insects
B. goes deep into the ground and pollutes the
groundwater
C. kills weeds and they are an important part of the
environment
What kind of cell is this?
Plant
Dichotomous Key for Insect Classification
1. a. One pair of wings...........................................................go to 2
b. Two pairs of wings.........................................................go to 3
2. a. Hind wings reduced to tiny knobs..................................Diptera
b. Hind wings not reduced to tiny knobs............................go to 6
3. a. Front and hind wings have similar texture....................go to 4
b. Front and hind wings do not have similar texture.........go to 6
4. a. Front and hind wings similar in size and shape..............go to 5
b. Front and hind wings not similar in size and shape........go to 7
5. a. Antennae are short and bristley.....................................Odonata
b. Antennae not short and bristley.....................................Hymenoptera
6. a. Head visible from above.................................................Mantodea
b. Head hidden from above by hooklike structure.............Blattaria
What is one characteristic used to classify
the insect in the diagram?
A. Formation of larvae
B. Number of legs
C. Number of pairs of wings
D. Presence of antennae