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WorksheetsEnd Of Year Science Review 2019-2020
Total questions: 82
Worksheet time: 41mins
What is the Atmosphere?
It is the barrier made of plasma that separates Earth from space.
It is where all living things live
The area high above the solid Earth that is made up of gases, dust particles, and water droplets.
The biosphere, geosphere, and hydropshere are its components.
Which is an example of physical reproductive traits?
A bowerbird's colorful nest
A peacock's tail/feathers
A fish's fins
A firefly's flashing signal
What is the nervous system?
the system that is responsible for glands and the secretion of hormones.
the system that controls digestion.
the system that controls respiration.
the system that is responsible for responding to internal and external stimuli.
Light waves that have more energy are made up of...
bigger wavelengths like infrared light
smaller wavelengths like UV light
average wavelengths like visible light
How many chromosomes do you have?
23
46
45
56
The Earth's climate has changed naturally for thousands of years due to fluctuations in all BUT...
how much energy the planet receives from the sun.
how much energy the planet radiates back to space
how many greenhouse gases humans have been responsible for letting out into the atmosphere.
how the land masses or continents moved over time and influenced the patterns of ocean and atmospheric circulation.
How many genes are on a chromosome?
46
23 pairs
100's to 1000's
two of the above
The climates in a same region can differ due to...
The variation in albedo.
The variation in the amount of urban (developed) areas.
The variation in the amount of vegetation and/or forests.
All of the above.
What is a protein?
A single celled animal.
One or more long chains of amino acid.
A tiny bone in the ear.
A type of high cloud.
What are the four spheres in Earth’s system?
Sphere 1, sphere 2, sphere 3, sphere 4
Atmosphere, animalsphere, watersphere, landsphere
Biosphere, atmosphere, geosphere, hydrosphere
hemisphere, biosphere, atmosphere, hydrosphere
When homozygous dominant RR is crossed with homozygous recessive rr, how many ways would the offspring show the dominant trait (R)?
3
5
4
0
What do Elastin and Collagen do?
Make your teeth whiter
Make your skin smooth and flexible
Make your hair stronger
Make bushy eyebrows
What did Gregor Mendel study?
The probability of trait inheritance in humans.
The inheritance of traits in flowers and primarily pea plants.
The structure of genes.
Cells.
What are cells?
tiny organisms
a place where prisoners go
the smallest level of organization making up the body and all organisms
the place where blood is held stored in the body
What is a weather front?
the boundary where two air masses meet
air that is in front of a mountain
a weather tool that measures wind pressure
a beautiful day
What are Global Winds?
Winds that blow over islands and influence ocean currents.
Surface winds that blow in fairly consistent predictable patterns around Earth.
Surface winds that blow water and create waves.
Ocean currents that move in a predictable pattern.
What are the levels of organization in order? (Biggest to Smallest)
Organism, Organ System, Organ, Tissue, Cell
Organ System, Organ, Tissue, Cell, Organism
Tissue, Organ System, Cell, Organism, Organ
Organism, Organ System, Organ, Cell, Tissue
What does the 23rd chromosome pair do?
It helps your DNA replicate.
It is responsible for the endocrine system.
It's a muscle.
It determines your gender.
What is a tissue?
Group of structurally similar cells that work together to perform a specific function.
A smooth & thin surface of cells found in papyrus.
A rough & hard surface
A thin & delicate cell.
What do ribosomes in the cells do?
They controls what enters and leaves the cell.
They converts energy in nutrients to usable energy.
They makes proteins the cell will use.
They clean up the cell and eliminate waste.
What is magnification?
refers to microscope's light power
refers to the enlarged appearance of an object when viewed through lenses
refers to uncontrollable multiplication of cells
refers to microplastics being broken down in large areas
The Industrial Revolution helped cause which of the following:
Massive extinction of animals and plants.
The "Snowball Earth Period."
The current Ice Age.
The more rapid and drastic rise in greenhouse gas levels.
Which is the order from least kinetic energy to most kinetic energy?
gas, solid, liquid
air at 35 degrees, air at 75 degrees, air at 100 degrees
rock, paper, scissors
liquid, ice cubes, snow
What is climate change?
A ten year change in climate patterns on Earth
A short-term rapid change in climate patterns on Earth
A long-term change in climate patterns on Earth
Change in weather patterns on Earth
What might happen to a species if the organisms of that species were unable to reproduce?
They may mutate
The species may go extinct
They may become asexual
Two of the above
What is not associated with the color of your eyes?
Rods and Cones
The Iris
Melanin
DNA
What are organelles?
Multiple organs in your body
The envelopes surrounding and protecting the cell
Structures inside the cell with a unique function
The products of two cells dividing
Which of the following is an example of a behavioral trait?
A small animal playing dead so one of its predators will leave it alone
An animal choosing not to fight with another animal because it is tired
Dogs smelling each other when first introduced
Two of the choices
Which of these is an example of an animal’s physical trait for reproduction?
Snake's skin
A kangaroo’s pouch
Plant's food
Alligator's teeth
What is primary purpose of the small intestines?
They utilize gastric juices to break down the food.
They break down and filter waste out of the body.
They provide a large surface area for nutrients to pass through to the bloodstream.
They filter the remaining moisture out of the nutrients and prepare the waste to exit the body.
What is one thing humans can do to reduce the speed and effects if climate change?
Lower the amount of methane we release
Reduce the amount of vegetables we eat
Reduce our carbon footprint
Use gas cars over electric cars
What part of the atmosphere contains all living creatures and plants
Geosphere
Troposhpere
Hydroshpere
Atmosphere
What is the trait called if a person cannot make melanin anywhere in their body?
sickle cell
dwarfism
albinism
color blindness
Why do hot air balloons rise?
They burn fuel which makes the air inside the ballon inside more dense than the surrounding air.
The sun pulls these balloons toward it making them rise.
Before they take off they add special gases that make them float.
The air inside the balloon is less dense than the air outside of the balloon.
Which of these best defines a local wind?
Local winds are affected by the topography and air pressures of smaller geographical areas.
Local winds are surface winds that blow in a predictable pattern around the Earth.
Local winds are winds found in the area you live.
Local winds include the Polar Jet Stream.
Which is an example of internal stimulus?
Grumbling stomach
Smell of cookies
A blinding light
Touching a hot stove
What is the proper shape of a healthy red blood cell?
Disc shaped with a shallow center
Bent and crescent shaped
Flat and square
Disc shaped with small holes (porous)
What tool is used to measure wind speed?
Thermometer
Barometer
Wind vane
Anemometer
If your mom has curly hair and your dad has straight, which will most likely to show up on you? Hint which one is dominant?
straight
curly
both
neither
Place the sequence of events, in order, when something conducts heat...
A: Heat is passed from the hot object to a cold object;
B: A hot object touches a cold surface;
C: The hot object cools and the cold object warms
B, C, A
A, B, C
B, A, C
C, A, B
Why is Mars's surface red?
because the Roman god Mars live there and Spills Blood on the planet
because it is so dry the Sun cracked it and a red color emerged from the planet's core
because of the reflection and shadows caused by Earth blocking Mars half the year from the Sun
because iron oxide made the soil on the planet a rusty color
Genetics is the study of...
different types of proteins in cells
how cells work together in the body
the inheritance of genes
the structure and function of the human body as a whole
The effects of climate change would greatly impact which of the following?
Oceans
All living things including humans
Mountains, hillsides, and vegetation
All of the above
Why does deforestation increase carbon dioxide in Earth’s atmosphere?
Less trees = less absorption of carbon dioxide
Less trees= less oxygen
Less trees= less habitat
Less trees = less carbon dioxide
Why do frogs lay hundreds of egg?
So that other animals can eat them
So chefs have many frog legs to serve in fancy restaurants
To feed the weaker ones to the stronger ones
To increase chances of some eggs living to maturity
Why must cells be small?
Smaller cells = greater surface area
There is not enough room in the body for them to be big
Cells can't divide if they are too big
Smaller cells = greater volume
If you are in a tornado you should...
stop, drop, and roll
watch for warnings and seek shelter in an internal room
stand within a door frame or under a sturdy table
just act normal and go to your science zoom
Which of the following is an example of how physical traits help species survive?
Protection from starvation
Protection from predators
Protection from extreme temperatures
All of the above
How long ago were Earth's "Warm Periods"?
80 - 57 million years ago
444 - 252 million years ago
4.3 billion years ago
367 - 145 million years ago
What is the highest and topmost sphere in the atmosphere?
Exosphere
Stratosphere
Mesosphere
Thermosphere
What is also known as the "Master Gland"?
Thyroid gland
Pituitary gland
Pineal gland
Adrenal gland
The more the melanin in your eyes?
The lighter your eyes are
The darker your eyes are
The smaller your eyes are
The bigger your eyes are
What is germination?
The way the water gets to Earth's oceans.
A type of food that plants eat.
A type of plant mold.
The beginning of growth from a new plant starting as a seed.
What is your esophagus?
a tube from your nose to your lungs
a muscle that allows you to move your head
a site of digestion within the stomach
a tube from your throat to your stomach
What is the last level of organization of a human?
Tissue
Organism
Body system
Organ
How does the enhanced greenhouse effect happen?
Humans having less babies
More carbon dioxide is released from humans
Humans use of solar panels and wind turbines
More infrared light is trapped in our atmosphere
Less P protein results in fewer clusters of melanin, less melanin means...
Albino pale eyes
Blindness
Color blindness
Blue eyes
What is topography?
A form of geography and geology focussing on the study of rocks.
Topography includes the height, shape, number, and arrangement of mountains, hills, and valleys.
The intersection or "address" of a location on a map.
Refers to wind patterns over the Tropics.
What is one advantage of sexual reproduction?
offspring are identical to parents
offspring are resistant to viruses
offspring are clones
offspring inherit a wider variety of genetic information
Which of the following help explain how global currents and global winds work?
Conduction cells
Radiation cells
Pivotal cells
Convection Cells
The equator is an example of
a line of longitude.
a line of latitude.
a meridian.
Two of the above
