WorksheetsSpace
Total questions: 66
Worksheet time: 52mins
Our sun is located in the Orion Arm of the Milky Way galaxy. The approximate distance from the center of the galaxy to our Sun is:
1,000 Light Years
2,600 Light Years
100,000 Light Years
260,000 Light Years
In this layer of the atmosphere, which is the coldest, meteors burn up and radio waves are reflected to Earth.
mesosphere
stratosphere
troposphere
exosphere
This is the hottest layer of the atmosphere and where auroras occur.
mesosphere
stratosphere
thermosphere
exosphere
The outermost layer of the atmosphere where satellites orbit.
mesosphere
stratosphere
thermosphere
exosphere
A _________________ is the blocking of the Sun's light that occurs during a new moon when the moon's shadow falls on earth.
solar eclipse
lunar eclipse
umbra
penumbra
A _______________ is the blocking of sunlight to the moon; occurs when the moon passes through earth's shadow.
solar eclipse
lunar eclipse
umbra
penumbra
When less than half of the moon is bright/lit up from our vantage point.
Crescent Moon
Gibbous Moon
Half Moon
As the moon's shape appears to get smaller, we say that the moon is _.
swelling
waxing
waning
disappearing
Which term describes the motion of the planets around the sun?
rotation
revolution
completion
galaxy
The process of Earth spinning on its axis is referred to as
revolution
ionization
rotation
ellipse
Which of the following characteristics of objects in our solar system allow life to exist?
Distance from the sun
Presence of Water
Food
Atmosphere Composition
All of the above
An Astronaut Needs to wear a helmet while working outside the space station because?
the helmet provides Food
the helmet provides Oxygen
the helmet provides Water
the helmet provides Carbon Dioxide
What is the primary reason for the seasons on Earth?
The distance from the Sun changes throughout the year
The tilt of Earth's axis relative to its orbit around the Sun
The shape of Earth's orbit around the Sun
The rotation speed of Earth
Which of the following is a characteristic of a black hole?
It emits a large amount of light
It has a strong magnetic field
It has an escape velocity greater than the speed of light
It is a large, cold star
What is the main component of the Sun's core?
Helium
Carbon
Oxygen
Hydrogen
What is confined space
Area which open air
Area Which have limit of entrances and not enough ventilation
Which one not confined space
Tank
Container
Silos
Canteen
Atmospheric oxygen levels below _______ at level is considered as hazardous atmosphere in confined space.
19.5 %
19.6 %
18.5 %
18.6%
The entry supervisor must cancel entry permit when_____
An assignment is completed.
New conditions exit
Both the option are correct
The OSHA confined space standard requires that the employer keep all canceled entry permits for at least
1 year
2 years
6 months
1.5 years
Which one is equipment for safe entry in confine space
Ventilation
Lighting equipment
Retrieval devices
All of above
Ventilation helps in which of the following
Control head and humidity,provide oxygen.
Improves illumination levels.
Who is not relevant person and authority
Worker
Attendent
Rescue service team
Seller
Which one is equipment for safety entry space
Atmosphere oxygen levels above _____ at level is considered as hazardous atmosphere in confined space.
21.5
22.5
23.5
25.1
___________ have only one cell and no nucleus, but have different structures and chemical processes from those of Archaea.
Eukarya
Archaea
Bacteria
_____________ is the idea that some individuals are better adapted to their environment than others. The better-adapted individuals are more likely to survive and reproduce than other members of the same species.
evolution
adaptation
natural selection
biology
What is the correct spelling for the field of science that focuses on living organisms?
Biology
Bioology
Biiology
Bioloogy
The study of trees and flowers is ______________.
Chemistry
Physics
Biology
Botany
What does the prefix Bio mean in the word Biology?
Life
Death
Happiness
Sadness
The study of living organisms is called ____________.
Criminology
Zoology
Physics
Biology
What is Science?
The branch of knowledge that deals with law, languages, religion and the performing arts.
The branch of knowledge that deals with thoughts, ideas, principle and reasoning.
The branch of knowledge that deals with life, substances and the natural laws.
The branch of knowledge that deals with numbers, shapes and patterns.
What do you call a scientist who studies animals ?
Zoology
Physicist
Zoologist
Biologist
This scientist is called a _____________.
Botanist
Chemist
Zoologist
Meteorologist
A biologist studies the structure, function, growth and origin of living organisms.
True
False
The image above shows which of the following scientist at work?
Physicist
Meteorologist
Oceanographer
Botanist
What is the ultimate source of energy in any food chain?
the sun
producers
consumers
decomposers
Which organisms can be found at the first, or lowest, trophic level?
herbivores
carnivores
heterotrophs
autotrophs
Which of the following is a characteristic of prokaryotic cells?
They have a nucleus
They lack a nucleus
They have membrane-bound organelles
They are multicellular
What is the primary function of ribosomes in a cell?
Energy production
Protein synthesis
DNA replication
Photosynthesis
The leaking or spilling of chemicals or raw sewage into a body of water is ________ pollution.
air
water
land
Exhaust fumes released from cars, trucks, and buses are an example of ________ pollution.
water
land
air
Sludge run off from factories and industries is an example of _______ pollution.
air
land
water
Cameron and his brother decide to go fishing on the Flint River. When they get there, they notice hundreds of dead fish floating in the water. What should they do?
Take the fish home to eat.
Go swimming.
Notify the River Keeper.
Exhaust from vehicles is one of the largest forms of air pollution. What can communities do to reduce air pollution from vehicles?
Fine people that own cars.
Encourage people to walk, ride a bike, or carpool.
Charge more money to buy a car.
A thick, black oily puddle has formed on the surface of the Atlantic Ocean. What is mist likely the cause of the puddle?
oil spill
paint spill
tar spill
Pollution can be found __________________________.
in the air
on the land
in the water
all of these answers
When fossil fuels are burned, they release harmful chemicals in the air.
True
False
Acid rain is formed when _______ dioxide and _________ dioxide dissolve in rain water.
carbon, oxygen
sodium, carbon
sulphur, nitrogen
How many tons of plastic debris are estimated to enter the ocean each year year from rivers
10,000 tons
10,000 to 20,000 tons
1 to 2 million tons
100,000 to 200,000 tons
What risk does the garbage patch pose for animals and humans?
animals can become trapped in plastic nets and rings
humans may consume fish that have consumed toxin-containing plastics
fish and whales can confuse plastic as a food source
all of the answers
Burning tires is safe for the environment if people aren't around.
True
False
Which of the following is a major contributor to air pollution in urban areas?
Industrial emissions
Agricultural runoff
Deforestation
Ocean dumping
What is the primary cause of acid rain?
Carbon dioxide emissions
Sulfur dioxide and nitrogen oxides
Methane emissions
Ozone depletion
Which of the following is an effective method to reduce water pollution from agricultural sources?
Using chemical fertilizers
Implementing crop rotation
Increasing pesticide use
Deforestation
