Ecosystems
What is an Ecosystem?
a) A single plant species
b) All the living and non-living things in an area interacting with each other
c) A group of animals that live together
d) The study of the environment
Correct Answer: B
"All the living and non-living things in an area interacting with each other"
How much Water covers Earth's Surface?
a( 70%
b( 91%
c( 50%
d( 72%
Correct Answer: A
"70%"
What Sort of Matter Fills in the Space of its Container?
a) Solid
b) Liquid
c) Gas
d) Plasma
Correct Answer: B
"Liquid"
True or False. EMS stands for Electromagnetic Service.
Correct Answer: False
(It means Electromagnetic Spectrum)
What is energy?
a) The ability to do work
b) A type of matter
c) A unit of measurement
d) A state of rest
Correct Answer: A
"The ability to do work"
What is a Producer?
a) A Plant
b) An Animal
c) Kendrick Lamar
d) Fungi
Correct Answer: A
"A Plant"
What is Earth?
a) Star
b) A thing
c) Planet
d) People
Correct Answer: C
"Planet"
What Matter has Molecules Tightly Packed Together?
a) Solid
b) Liquid
c) Gas
d) Plasma
Correct Answer: A
"Solid"
Which Wavelength is the Last Wavelengths in the EMS? (Electromagnetic Spectrum)
a) Radio Waves
b) X-Rays
c) Gamma-Rays
d) UV-Rays
Correct Answer: C
"Gamma Rays"
Which of the following is an example of a renewable energy source?
a) Gasoline
b) Coal
c) Fossil fuels
d) Solar power
Correct Answer: D
"Solar Power"
Which of the following is NOT an abiotic factor in an ecosystem?
a) Sunlight
b) Water
c) A tree
d) Soil
Correct Answer: C
"A Tree"
What expands the Universe?
a) Light
b) Water
c) Galaxies
d) Dark Matter
Correct Answer: D
"Dark Matter"
What Matter is used in Lightning
a) Solid
b) Liquid
c) Gas
d) Plasma
Correct Answer: D
"Plasma"
True or False. The Shorter the Wavelength, the Higher the Frequency
Correct Answer: True
What type of Energy is being used while riding a Bicycle?
a) Mechanical
b) Kinetic
c) Thermal
d) Light
Correct Answer: A
"Mechanical"
What is the Difference between a Food Chain and a Food Web?
a) A food chain is a complex network, while a food web is a simple linear path.
b) A food chain shows how energy flows from one organism to another, while a food web shows how energy flows in multiple directions.
c) There is no difference; they are the same thing.
d) A food chain shows the interactions between organisms, while a food web shows the flow of energy.
Correct Answer: A
"A food chain is a complex network, while a food web is a simple linear path."
The Milky Way is a ______________ galaxy with arm-like portions that wrap around a central nucleus.
a) Flat
b) Spiral
c) Oval
d) Circle
What Matter do Touch-Screen Devices use such as Phones?
a) Solid
b) Liquid
c) Gas
d) Plasma
Correct Answer: D
"Plasma"
Which Wavelengths is the First one in the EMS (Electromagnetic Spectrum)
a) Microwave
b) Infrared
c) X-Rays
d) Radio Waves
Correct Answer: D
"Radio Waves"
If you drop a ball, what type of energy conversion is happening as it falls?
(a) Potential energy is converted to chemical energy
(b) Kinetic energy is converted to potential energy
(c) Potential energy is converted to kinetic energy
(d) Thermal energy is converted to kinetic energy
Correct Answer: C
"Potential Energy is converted to Kinetic Energy"
How can Human Activities Impact the Stability of an Ecosystem?
a) By creating new habitats for native species.
b) By promoting the natural cycle of nutrients.
c) By promoting the extinction of non-native species.
d) By introducing invasive species or altering the environment that disrupt natural balance.
Correct Answer: D
"By introducing invasive species or altering the environment that disrupt natural balance."
What is the Largest Star in the Universe
a) UY-Scuti
b) Betelgeuse
c) Orion
d) Stephenson 2-18
Correct Answer: D
"Stephenson 2-18"
What type of Matter can turn into a Solid?
a) Liquid
b) Solid
c) Plasma
d) Gas
Correct Answer: A
"Liquid"
True or False. The Electromagnetic Spectrum is made of Light.
Correct Answer: False
Which of the following best illustrates the law of conservation of energy?
a) A lightbulb turns on, and the electrical energy is converted into light and heat.
b) A car accelerates, and its engine uses fuel to convert chemical energy into kinetic energy.
c) A roller coaster stops at the top of a hill and then accelerates down the hill.
d) All of the above.
Correct Answer: D
"All of the above"