WorksheetsScience II '15-'16 Fall/Winter District Test
Total questions: 35
Worksheet time: 35mins
The graph below shows the results for an experiment conducted to determine the effect on the healing time of an abrasion with a Band-Aid and antiseptic. Which statement is true?
the results are inconclusive
abrasion were healed with Band-Aids and antiseptic in ½ the time as compared to nothing
abrasion were healed with Band-Aids in ¼ more time as compared to band- aids and antiseptic
abrasion were healed with nothing in ½ more time as compared to Band-Aids and antiseptic
In 2013, an enormous cave was discovered in Er Wang Dong in the Chinese province of Chongqing. Explorers were stunned to enter a cave chamber covered in lush vegetation, an area so huge that clouds had begun to form in higher levels of the cave that completely obscured the roof, more than 250 meters above the floor. Approximately how many feet would this be?
750
820
1000
25000
When looking at the periodic table it would be expected to find the noble gasses in the same ___.
Block
Group
Period
Series
Which model below best illustrates the current view of an atom?
Using the dot diagrams provided, which element is least likely to react with Fluorine.
Potassium
Chlorine
Arsenic
Neon
The chemical formula for carbon dioxide is CO2. Which correctly shows the structural formula?
What type of reaction is shown in the chemical equation?
Synthesis
Decomposition
Combustion
Replacement
How does the law of conservation of mass relate to atoms during a reaction?
The number of atoms that react equal the number of atoms that are produced
The number of atoms doesn’t change
Atoms change type but have the same mass
Atoms rearrange and form new substances
A net force of 20 N is applied to a box, giving it an acceleration of 2.5 m/s2 . What is the mass of the box?
50 g
125 g
8 kg
22.5 kg
One plane is flying east at 800 km/hr and another is going north at 800 km/hr. Which of the following is true?
They have the same speed and velocity
They have the same speed but differing velocities
They both have different speeds and velocities
There is not enough information to determine
For every action force there is an equal and opposite reaction force. Which of the following doesn’t apply to this concept?
Swimming
Launching a rocket
Jumping
Skydiving
As the seasons change, so does the path of the sun across the sky. In the northern hemisphere, the sun’s path is the lowest in December and highest in…
January
March
June
September
Which moon phase is seen from Earth as shown in the illustration?
Third quarter
Waning crescent
Waxing crescent
Waxing gibbous
How often does a high tide occur?
Once per day
Twice per day
Three times per day
Four times per day
The distance you are from a star can cause this factor to change..
Apparent magnitude
Composition
Luminosity
Spectrum
All of the following characteristics are considered to be valuable when studying our sun except:
Distance from Earth
Easily studied physical properties
It is a main sequence star
Easy to study chemical properties
Using the electromagnetic spectra below, a team of scientists wants to study an object that emits high energy. Which type of telescope would be the best to use?
Visible
Gamma ray
Microwave
Infrared ray
Saturn is about 7 ___ from the Sun.
AU
km
Days
Light years
How is the Doppler shift applied to the Big Bang Theory?
Contraction of the universe
Expansion of the universe
Red shift due to expansion of the universe
Green shift due to contraction of the universe
Which of the following can be used as a past indicator of climate in a particular region?
Fossils
Lava flow
Mountain ranges
Tides
Which type of mountains are most commonly found on Earth?
Fault block
Folded
Uplifted
Volcanic
The ___ causes moving water and wait to appear to move in a clockwise manner in the northern hemisphere and counterclockwise in the southern hemisphere.
Jet stream
Coriolis effect
Convection currents
Air pressure
Which of the following shows a mountain with steep sides?
Given the front shown below, a meteorologist states their will most likely be clouds and light rain. Which best matches, given the information?
Cold
Warm
Stationary
Occluded
When will a hurricane begin to lose energy and dissipate?
When it moves over hot water
When it moves over cold water
When it moves over land
Both B and C
Boxer crabs and sea anemones live in coral reefs. Crabs carry sea anemones in their claws. The anemones have stinging cells to help fight off predators of the crab. Which best describes this relationship?
Symbiosis
Mutualism
Cooperation
Commensalism
Food, water, and sunlight are all possible ___ factors. A. Biotic B. Competing C. Limiting D. Environmental
Biotic
Competing
Limiting
Environmental
All of the following are short term environmental changes except: A. Light B. Temperature C. Nutrients D. Sea level change
Light
Temperature
Nutrients
Sea level change
How can excessive sediment in a marine environment affect an autotroph?
Makes it difficult to eat
Can block the light
Can block the light
Increases the temperature of the water
Suppose that you filled a beaker to the rim with water as shown below and walked around a parking lot making an attempt to complete a lap in the least amount of time. The water would have a tendency to spill from the container during specific locations. In general the water spilled except when:
the container was at rest and you attempted to move it
the container was at rest and you were at rest
the container was in motion and you attempted to stop it
the container was moving in one direction and you attempted to change its direction
Watson and Crick used wire, spheres, their chemical knowledge, and an X-ray of a DNA molecule to determine that DNA had a double helical structure. Which process of science were they most likely using? A. Publishing their conclusions B. Developing their experiment C. Constructing a model D. Conducting an experiment
Publishing their conclusions
Developing their experiment
Constructing a model
Conducting an experiment
2.A student conducted an experiment that compared the amount of nitrogen found in the soil to how well a tomato plant produced fruit. Which of the following is the best axis label and placement for the independent variable?
Amount of nitrogen in soil (kg); x axis
Amount of nitrogen in soil (m); y axis
Amount of fruit produced (kg); x axis
Amount of fruit produced (m); y axis
A student is using water displacement to determine the volume of two small rocks. Given the graphic, determine the volume of the rocks.
2 mL
3 mL
5 mL
12 mL
A mixture of salt water needs to be separated. Which piece of equipment would be best to separate this mixture?
Funnel and filter paper
Magnet
Bunsen burner
Stirring rod
Which of the following units would be the most appropriate to measure the height of a newly sprouted plant?
m
L
mL
mm
