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WorksheetsII A Q's
Total questions: 76
Worksheet time: 47mins
What is missing in this water cycle: Condensation - Precipitation - ?? - Evaporation
(a)
What is missing in this water cycle: Condensation - ?? - Collection - Evaporation.
(a)
What is missing in this water cycle: ?? - Precipitation - Collection - Evaporation
(a)
What is missing in this water cycle: Condensation - Precipitation - Collection - ??
(a)
What makes grass green? Choose the MOST complete answer.
Minerals that are green.
Chlorophyll
Chlorophyll absorbs blue and red light
Chlorophyll reflects green light, while absorbing blue and red light
What causes a plant to wilt or die when watered with salt water?
(a)
What instrument is used to measure air pressure?
(a)
What is a genetic mutation?
An adaptation to an environmental stressor.
A change in the base sequence of the DNA.
A temporary modification.
Always beneficial.
A genetic mutation can be both ______ and ______.
(a)
What is Polaris
The North Pole
The North Star
Snow machine
Polar bear
How is the Polaris View different in winter than in summer?
(a)
How do the waters of the continental shelf compare to the surface waters of the open ocean?
The continental shelf is deeper and full of life.
The continental shelf is shallow and sunlit and rich in plants/animals/nutrients.
The continental shelf does not have as many nutrients because of deep water and lack of plant/animals.
They are basically the same.
Natural Selection has to do with...
variations, overpopulation, competition, adaptations, change over time
keeping populations the same over time
variety within a population
Where is Polaris in December?
(a)
How does a plant use the energy in sunlight in photosynthesis?
To create carbon dioxide (CO2)
To create sugar (glucose)
To change Co2 and water (H2O) into sugar and oxygen (O2)
To grow taller
Example of physical weathering...
Rain
Ice wedging
Lightning
Examples of physical weathering...
El Nino
Plant roots growing through cracks
Ice wedging
Swiftly moving water/rocks
Waves hitting cliff
The act of breaking down rocks, soil, wood, etc through contact with earth's atmosphere, water, biological organisms, or wind...
Weathering
Erosion
Nature
Evolution
What is in the nucleus of an atom?
(a)
What is produced in the nucleus of a human cell?
Ribosomes
DNA
Electrons
ATP
Which one is NOT inside the nucleus (control center) of a human cell?
DNA
Chromosomes
Mitochrondia
nucleolus
Severity of damage sustained by homes nearest to the bay in the 1989 Loma Prieta Earthquake is most likely due to...
The San Andreas Fault
The time of day
Sediments and fill
The water in the bay
How does El Nino affect seagulls or fish?
(a)
Members of which group are decomposers?
algae
ferns
fungi
moss
Which has the most ocean life?
Open ocean
Sunlit zone
Ross ice shelf
Ring of fire
What percent of all marine life lives in the sunlit (euphotic) zone?
10%
80%
90%
95%
The North Star is the brightest star.
True
False
The energy factories of the plant cells are called...
nucleus
chlorophyll
chloroplasts
The energy factory (ATP) of animal cells are called...
mitochondria
nucleus
chloroplast
DNA
Examples of renewable energy that starts as Kinetic energy and then goes to Electric energy?
Methane gas
Solar panels
Windmill
Hydroelectric dam
Most acidic?
Acid rain
Vinegar
Bleach
Sulfuric acid
The primary constituents of matter - distinguished by its atomic number.
Element
Atom
Proton
Molecule
The smallest unit of matter that retains all of the chemical properties of an element.
Element
Atom
Proton
Molecule
Elements can combine to form...
Elements
Atoms
Protons
Molecules
Layers of rock (or sometimes soil) laid down as sediment, often in the sea, and are slowly transformed by pressure, heat and chemical action into rocks...
Ribbon
Sedimentary layer
Stratum
Strata
Which of the following is indicated by the size of the minerals in an igneous rock sample?
What kind of minerals make up the rock
How long it took the rock the cool
How old the rock is
What layer of strata the rock came from
The percent of beetles that are genetically darker in color increases in populations that expand from prairie into forest is an example of...
genetic mutation
natural selection
RNA molecules are synthesized from DNA template where?
nucleus
mitochondria
ribosome
cell membrane
Which statement about the requirements of ALL living things is true?
All living things need oxygen
All living things need sugar
All living things need water
All living things need sleep
Which marine environment exhibits the highest level of biological productivity?
Deep ocean floors
Sandy beaches
Surface water of open ocean
Estuaries
Which property of H2O is different from other substances
Freezing point is lower than other substances
Solid form of water is less dense than liquid form
Boiling point is lower than that of other substances
Gas form is less dense than liquid form
In a lab, handling which substance creates the most safety concerns?
Inert gas
Helium
Sodium chloride and citric acid
Volatile solvent like acetone
What makes noble gasses distinct as a group on the periodic table?
Similar atomic weight
Highly reactive
Same number of electrons
A nutcracker is a...
Lever
Screw
Incline plane
Pulley
Why is iridium so rare and only found in the layers of the earth that date to when the dinosaurs went extinct?
(a)
Device used to measure a tsunami?
Hygrometer
Buoy
Measuring stick
Radar
In the study of evolution, bones can show what?
Similar ancestry
Nutrition
Migration
Adaptations
Which light emits heat AND light?
Neon
Fluorescent
Incandescent
Diode
Which of the following is a characteristic of terrestrial planets and not of gas planets?
Planetary
Ring system
Metalic / Iron core
Rotates less than 24 hours
When does a neap tide occur?
When the moon and sun are on the same side of Earth
When the moon and sun are on opposite sides of Earth
When the moon and sun are at a right angle to each other in relationship to Earth
Every full moon
Carries blood to the heart...
Arteries
Capillaries
Veins
Carries blood away from the heart...
Arteries
Capillaries
Veins
Carries blood between arteries and veins...
Arteries
Capillaries
Veins
A screw is a...
Lever
Nutcracker
Incline plane
Pulley
Life cycle of the butterfly...
(a)
Light travels at what speed?
3 x 10^8 m/s
299,792 km/s
6.7 x 10^8 mph
670,616 mph
An electrical battery is made with a magnet. The coil is turning because...
Like magnetic poles repel
Like magnetic poles attract
Attraction/repulsion between the magnetic field and the free electrons
The battery is plugged into the wall
Examples of a chemical reaction...
Iron rusting
Burning wood
Cooking an egg
Metabolism
Dissolving salt in water
Good conductors of electricity...
Sea water
Copper
Dry wood
Rubber
Silver
Good insulators of electricity...
Gold
Glass
Oil
Steel
Diamond
What causes tectonic plates to move?
(a)
Main concern with coastal aquifers?
Intrusion of sea water
Sediment
Pollutants
Biological contamination
An ice ball orbiting earth...
Asteroid
Star
Comet
Shortest wavelength...
infrared
ultraviolet
blue
Longest wavelength...
infrared
ultraviolet
blue
Longest wavelength...
red
yellow
blue
Received blood from the body's veins...
Right atrium
Right ventricle
Left atrium
Left ventricle
Pumps blood into the lungs to exchange Co2 & pick up O2...
Right atrium
Right ventricle
Left atrium
Left ventricle
Pumps blood into the bodies arteries to send O2 to the body...
Right atrium
Right ventricle
Left atrium
Left ventricle
Receives oxygenated blood from the lungs...
Right atrium
Right ventricle
Left atrium
Left ventricle
What is the final surface area in the lungs where O2/CO2 exchange happens...
(size of half a tennis court)
trachea
bronchial tubes
bronchi
alveoli
Which one is not a compound?
Table salt
(NaCl)
Rust
(Fe2O3)
Helium
(He)
Water
(H2O)
How is wind formed?
(a)
What phenomena is demonstrated during evaporation?
State change
Water molecules change into Hydrogen and Oxygen
Chemical change
Surface of the water changes
What are comets made of?
Ice & dust
Iridium
Rock
Gasses
What happens when tectonic plates move over a hot spot in the mantle?
A chain of volcanoes
A mountain range
An earthquake
Plates move more quickly
