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WorksheetsCset 2: Science
Total questions: 85
Worksheet time: 1hrs 25mins
Water cycle What does X represent?
Precipitation
Evaporation
Condensation
Accumulation
Raindrop and gravity-which direction will it fall?
SLIGHT RIGHT- B DIRECTION
SLIGHT RIGHT- A DIRECTION
SLIGHT LEFT- B DIRECTION
SLIGHT LEFT- A DIRECTION
What makes grass green or give it a green color?
Oxygen
Chlorophyll
Carbon Dioxide
Why is it colder in the central valley in the winter than on the coast in CA?
Mountain ranges
South and north winds
It is warmer at the central coast
Why does the ocean not freeze as fast as a lake? (reworded different)
Saltwater freezes at a lower level temperature.
Climate
Salt eater freezers at a higher level temperature
What would happen if a plant was watered with ocean or saltwater?
Plant will grow
If a plant is watered with saltwater it will wilt, if too much water is lost during osmosis the plant will die.
Plant will wither bit not die
What are the folds of the long digestive system for?
Humans have a digestive track long with many internal folds.
The important function of the folds is to provide surface for growth of benefit intestines. Improve flow of blood out in the digestive tract. Increasing the surface area over which the nutrients can be absorbed during digestion. Provide a storage area for the food unit so it can be completely broken down.
To increase the surface area over which the nutrients can be absorbed
To help with digestion
To lower appeitite
From the Northern Hemisphere, what place would experience the longest amount of daylight?
San Francisco, CA
Anchorage, Alaska
Antarctica
Washington D.C.
What instrument is used to measure air pressure?
Barometer
Compass
Hose
What are mutations?
A. They are constantly changing.
B. They are beneficial to survive
C. Variation in population.
D. variations and survival are choices
Polaris View.
The North Star, is it the brightest star? Does it stay in the same spot every day?
North Star, the Earth is pointed directly at it, stars circle around it, it does not move, northern direction, Earth rotates. Not brightest, but stays in the same spot
Brightest star and does not move
Not the brightest star, but does move
Compared to the waters of the continental shelf, the surface waters of the open ocean are generally much less productive because they?
Lack nutrients derived from the land or ocean sediment on the seabed
Closer to the surface
A lot of human activity
Natural selection has to do with variations, overpopulation, competitor, and reproduction. Adaptations/variations to the environment are crucial for survival
A process that does not cause population change
A process that causes populations to change over time
Northern hemisphere and winter, I cannot recall the exact question (Position of Polaris in the northern hemisphere during the winter solstice
Earth’s poles is most tilted away from the sun
Earth’s poles is most tilted towards from the sun
Earth’s poles is most tilted away from the moon
Earth’s poles is most tilted toward from the moon
Which is the best example of physical weathering?
A: Key Words: Frost in granite or rock (something like that) The sentence has “Ice Crystals” in the answer
B) Rain freezing in the cracks in rocks breaking up rocks into smaller rocks
Function of a cell. A question about what is produced in the nucleus
or..
Which of the activities take place in the nucleus of a cell?
RNA molecules are synthesized from DNA template
DNA template is synthesized from RNA molecules
Questions on photosynthesis (what is the best example of photosynthesis or something)
plants take in carbon dioxide and water to create glucose and o2
plants take in carbon dioxide and water to create h20
The energy from the sun-Know the process of Photosynthesis...questions on photosynthesis (what is the best example of photosynthesis or something) My test asked something about what is produced during photosynthesis
plant uses carbon dioxide and water to produce glucose (sugar) and oxygen
plants taken in oxygen and produce carbon dioxide
Photosynthesis question about what does X represent
Carbon Dioxide
Oxygen
Energy
What do carbon dioxide and water create?
Energy
glucose and oxygen
Carbon Monoxide
Question about a little boy making a model of an atom, what would be the most accurate?
Having only neutrons in the nucleus
Having only protons int he nucleus
having the protons and neutrons in the nucleus
Which of the following is the best refraction of light waves?
Light passing through raindrops produces a rainbow
Light bouncing off a wall to create a shadow
Shadows created by the sun light
During the Loma Prieta Earthquake of 1p1989, homes located near San Francisco Bay generally sustained worse damage than similar homes further from the bay. The severity of the damage sustained by homes nearest to the bay is most likely due to the
(a)
El Nino’s effects on seagulls/fish/fisheries (warms the water)
The food chain is disrupted because of the colder water levels
Higher levels of water
No phytoplankton- It disrupts the whole food chain- warm waters
What is the equation for cellular respiration? balanced chemical equation.
a. 6CO2
b. 6
c. 12CO
d. 3CH4
In the Northern Hemisphere, on a day in the winter solstice, which place experiences the longest amount of sunlight
a. San Francisco, CA (9 hours)
b. Barrow, Alaska (no daylight) ← short days for winter solstice in Alaska
c. Quito, Ecuador (12 hours) ← right on equator, winter solstice is in JUNE
d. Ross Ice Shelf, Antarctica (24 hours)
Members of what group act as Decomposers?
a. Ferns
b. fungi
c. moss
d. Algae
What would a cell look like if it’s a muscle cell?
Short
Long and tubular(skeletal) and mitochondria
Expanded and large
What has the most ocean life?
(a)
Mitochondria- ATP energy factories of the cells
(a)
Renewable energy, what starts as kinetic energy then goes to electric energetic?
(a)
Which of the following is the most acidic?
A: Lemonade(pH level of 2.3)
B. Vinegar between 3 & 4
C. Bleach
What's inside the nucleus?
(a)
How is the surface of the ocean different from the bottom?
most biological production (algae and birds, has more oxygen on top)
There are fewer fish at the surface than the bottom
What are cells?
Organisms
Chemical compounds (formulas)
Which of the following is indicated by the size of the minerals in an igneous rock sample?
How long the rock took to cool as it formed
The age of the rock
The type of rock
Which of the following statements about requirements of all living things are true?
All living things do not need water
All living things need liquid water to distribute nutrients and waste within cells and throughout the body
Which of the following changes is an example of natural selection?
A chameleon that cannot change colors
The percent of beetles that are genetically darker in color increases in populations that expand from prairie into the forest.
The number of Tigers in the wild
Earthquakes are most common in areas
Near a mountain
Near the boundaries where tectonic plates slowly collide
Where two oceans meet
During the N. Hemisphere winter, the sun’s path across the sky is shorter and closer to the horizon than it is during the summer. This seasonal change in the sun’s path across the sky is caused by
The alignment of other planets
Tilt of the suns rotational axis compared to earth
Tilt of Earth's rotational axis compared to its orbital plane
What is strata?
(a)
N temperature region which marine environment temperature exhibits highest levels of biological productivity?
a. Deep ocean floors
b. Sandy beaches
c. Surface water of open ocean
d. Estuaries
Which following property of H2O is different from other substances?
a. Freezing point of H2O lower than other substances
b. Solid form water less dense than liquid form
c. Boiling point water lower than that of other substances
d. Gas form is less dense than liquid form
In lab handling which substances creates most safety concerns
a. Inert gas
b. Helium
c. Salt sodium chloride citric acid
d. Volatile solvent acetone
Periodic Table- Identify noble gas as a separate group with distance properties of noble gas
a. Have similar atom weight
b. Chemical in reactive
c. Have same number of electrons
Tell the differences. A nutcracker is a
a. Lever
b. Screw
c. Incline plane
d. pulley
Why is iridium so rare on Earth? Why iridium is only found in the layer of the earth that dates to when the dinosaurs went extinct
They formed due to decomposation
Earth has been impacted several times by meteorites
What device is used to measure tsunami?
Buoy -on top of the ocean
Barometer
In the study of evolution which of the following statements would most accurately assess the significance of the bone shown? (Human + whale) bats + cats
They share a difference in evolution
The structures being compared share a similar evolution(Same Ancestry)
Which light emits heat and light?
a. Neon lights
b. Fluorescent
c. Incandescent
d. diode
Which of the following is a characteristic for terrestrial planets and not for gas planets?
a. Planetary
b. Ring system
c. Metallic/Metal and Iron at the core
d. It rotates less than 24 hours
Carbon atoms are seen in plants roots, stems of terrestrial plants.
Nutrients from water
Nutrients from oxygen
At what temperature does water boil/freeze?
Boil: 150 degrees Celsius or 302 degrees Fahrenheit Freeze: 12 degrees Celsius or 54 degrees Fahrenheit
Boil: 105 degrees Celsius or 221 degrees Fahrenheit Freeze: 2 degrees Celsius or 36 degrees Fahrenheit
Boil: 100 degrees Celsius or 212 degrees Fahrenheit Freeze: 6 degrees Celsius or 42 degrees Fahrenheit
Boil: 100 degrees Celsius or 212 degrees Fahrenheit Freeze: 0 degrees Celsius or 32 degrees Fahrenheit
Neap Tides
occur once a month when the Sun and Moon are at right angles to the Earth
occur twice a month when the Sun and Moon are at right angles to the Earth
occur twice a month when the Sun and Moon are at left angles to the Earth
Arteries (AWAY)Capillaries Veins
Arteries (AWAY) carry blood away from the heart. Capillaries go through arteries and veins.Veins carry blood away to the heart.
Arteries (AWAY) carry blood from the heart. Capillaries go between arteries and veins.Veins carry blood back to the heart.
What is the problem with deforestation?
Animals are needing to find new homes
Erosion and loss of nutrients is a problem for deforestation
Forest fires are the main cause of deforestation
What is the biggest danger for the reason of loss of plants and animals?
Forest fires
Destruction of their habitat
deforestation
What is the missing cycle of the life cycle of a butterfly?
(a)
A screw is an example of what simple machine?
(a)
Light travels at ___ speed per km. Which number represents how far it will travel in… ____ x 10.
3.9x 11^5 if rounding is needed 3.0 x 10^5
2.9x 10^5 if rounding is needed 3.0 x 10^5
2.9x 10^5 if rounding is needed 5.0 x 9^6
An electrical battery is made with a magnet. The coil is turning because…looking at the images
a. Like magnetic poles repel
b. Like magnetic poles attract
c. attraction/repulsion between the magnetic field and the free electrons
d. The battery is plugged into the wall
What is something you would see happen in a chemical reaction?
Something that can return to its normal form
something that cannot return to its normal form: Iron rusting, Burning wood etc
What is a good conductor of electricity
a. Water
b. Plastic
c. Soil
d. Copper
Students conducting a science experiment with sugar cubes in water vs. crushed sugar in water
(a)
A new technology could track the air pressure of a certain area which could help predict which of the following?
A: Severe weather conditions
B. Earthquake
C.Type of precipitation of mountain areas.
What causes tectonic plates to move?
A) The heat in the earth's core -On my test it gave option for core with some kind of electrowaves or something similar
B) an option for convection and heat from the mantle
Question about Los Angeles and Coastal aquifers. What’s the main concern or issue?
The tectonic plated
The coastal aquifers are subjected to the intrusion of seawater.
Alarming increase in wildfires
What does the galaxy spiral and milky way have in common?
One is made of dust particles and the other of gas
both are made of dust particles and gas
Ice ball orbiting could be considered?
A.comet
B. asteroid
C. star etc
Which one is mostly made of ice and comet asteroids?
(a)
Rainbow colors and how we can see the patterns
(a)
What part of the heart receives blood?
left ventricle pumps the blood from the right into the lungs
right ventricle pumps the blood from the right into the lungs
right ventricle pumps the blood from the left into the lungs
left ventricle pumps the blood from the left into the lungs
Which ….Carries the blood to the heart?
(a)
Milky Way is asking what makes the Milky Way and other spiral planters different from others?
Does not contain new stars
Arm extensions with new stars
Only contains dying stars
Which are lined up correctly?
Piperine: Water
Sodium chloride (NaCl): Table Salt
Crows eat corn, eggs from other birds, nuts etc. what does this say about the ecological system?
A. Birds are more predictory to other animals than their own species
B. They can perform at different trophic levels
It said if x (or A on pic) has the sun directly overhead and each 15 degrees in longitude is equal to 1hr, what time is it in Y?
A. 4:00 AM
B. 8:00 AM
C. 4:00 PM
D. 8:00 PM
Liquid A heated and gas traveled to liquid B and created new liquid. Why is it that these two are able to be separated?
(a)
What are separation techniques for sodium chloride and sodium nitrate
(a)
graph showed an increase and decrease in population and size the answers were worded differently
A. smallest animals can avoid predators
B. Smallest and largest CAN AVOID PREDATORS30
C. Largest can avoid
How is wind formed?
Gravitational pull of the moon
Uneven heating of the earth's surface by the sun
Rotation of the earth about its axis
What phenomena is demonstrated during evaporation
a. State of waters change
b. Water molecules changed into hydrogen and oxygen
c. Carbon-dioxide
d. Surface of the water changes
Effect of current in gulf... humboldt ...?
a. Gravitational force towards the moon
b. Coriolis force
Man leaves work and walks to a sandwich shop. He talks with the employee and then walks back to a park bench by his work. Man sits on the park bench to eat his lunch and heads back to work. What graph best reflects his action.Which graph represents
displacement vs. time
displacement vs. area
area vs. time
cell, what does … produce (stored sugar, not produced) sugar
A) mitochondria
B) Ribosomes
C) Vacuoles
D) endoplasmic reticulum
