WorksheetsUNIT 8 REVIEW
Total questions: 40
Worksheet time: 20mins
States the universe began from an initial point and has expanded over years
Kepler's Law
Big Bang theory
Universe
Barycenter
What is the Doppler effect? (pick the best 2 answers)
deflect waves grin the sun that protect us from solar winds
a range of all types of electromagnetic waves
when stars moving away from an observer as the appear red and starts moving towards an observer appear blue
change in frequency of sound/light wave produced by moving source
What is the hierarchy of the universe? (smallest to biggest)
planet<asteroid<solar system<galaxy<universe
planet<solar system<galaxy<universe
universe<galaxy<stars<planet
space debris<meteors<moons<planets<dwarf planets
Who created the law where planets derived for orbits around the sun
Niels Bohr
Ernest Rutherford
Johannes Kepler
Galileo Galilei
Which one best describes Kepler's First Law?
each planet orbits about the Sun is an ellipse
the planet travels faster when closer to the Sun, then slower when farther from the Sun
captures the relationship between the distance of planets from the Sun, and their orbital periods
all of the above
Which one best describes Kepler's Second Law?
each planet's orbit about the Sun is an ellipse
all of the above
captures the relationship between the distance of planets from the Sun, and their orbital periods
the planet travels faster when closer to the Sun, then slower when farther from the Sun
Which one best describes Kepler's Third Law?
the Sun's center is always located at one focus of the orbital ellipse.
captures the relationship between the distance of planets from the Sun, and their orbital periods
all of the above
the planet travels faster when closer to the Sun, then slower when farther from the Sun
T/F? Revolution takes 24 hours to make one complete turn
True
False
T/F? Because of Earth's tilt on its imaginary axis, this causes seasonal changes
True
False
T/F? Rotation is the reason for day and night
True
False
T/F? Rotation takes 365.25 days to make one complete cycle
True
False
What is an Equinox?
long and shorter days of the year
6 hours of day and 6 hours of night
days and nights are equally as long
What is matter?
anything that has mass and volume
anything that has mass but no volume
anything that has volume but no mass
anything that doesn't have mass or volume
This has a definite shape and definite volume
plasma
solid
liquid
gas
This has no definite shape but a definite volume
solid
liquid
gas
plasma
This has no definite shape or volume
solid
liquid
plasma
gas
This is a gas in which a certain portion of the particles are ionized and has neither definite shape or volume
gas
plasma
solid
liquid
What is an element and which one is an example of an element?
a substance that cannot be broken down into simpler substances; helium
a substance that cannot be broken down into simpler substances; zinc
a substance that cannot be broken down into simpler substances; phosphorus
a substance that cannot be broken down into simpler substances; oxygen
This is the smallest part of an element that has all the properties of that element
atom
element
substance
compound
This is when two atoms spilts into two or smaller lighter atoms; is used in nuclear power plants; creates nuclear waste
nuclear fusion
nuclear fission
This is the combining of atoms to create energy; takes place in the core of the Sun; higher temperatures are created
nuclear fusion
nuclear fission
What is solar energy?
energy from the sun that comes in straight rays
energy from the sun that is captured to power electricity
energy from the sun
energy from the sun that is trapped in Earth's magnetic field
What is radiation?
energy from the sun
energy from the sun that comes in straight rays
energy from the sun that is trapped in Earth's magnetic field
energy from the sun that is captured to power electricity
What is the electromagnetic spectrum?
a range of all types of electromagnetic waves
deflection of rays from the sun and protects us from solar winds
change in frequency of sound/light wave produced by moving source
energy that comes from different sources of light
What is the order of the electromagnetic spectrum? (weakest to strongest waves)
infrared; ultraviolet; visible light; gamma rays
gamma rays; ultraviolet; visible light; infrared
visible light; infrared; gamma rays; ultraviolet
infrared; visible light; ultraviolet; gamma rays
What is photosynthesis?
substance that cannot be broken down into smaller pieces
solar energy converted to chemical energy
energy from the sun
energy from plants
Chlorophyll is...
pigment that absorbs red and blue light for photosynthesis and reflects green light
pigment that absorbs green and blue light for photosynthesis and reflects red light
pigment that absorbs green and red light for photosynthesis and reflects blue light
pigment that absorbs yellow and blue light for photosynthesis and reflects green light
What is the equation for photosynthesis?
6CO2 + 6H2O + light energy = C2H16O6 + 6O2
6CO2 + 6H2O + light energy = C6H12O6 + 6O2
6CO4 + 6H2O + light energy = C4H12O3 + 6O2
6CO2 + 6H2O + light energy = C6H12O16 + 6O2
6CO2 is...
carbon dioxide
water
light energy
glucose
6H2O is...
oxygen
water
carbon dioxide
glucose
C6H12O6 is...
carbon dioxide
water
oxygen
glucose
Procession is...
change in direction of the Earth's axis
the wobbling of Earth's axis
the center of mass of two or more orbiting objects
the affect of the moon and sun have on Earth's oceans
Nutation is...
the affect of the moon and sun have on Earth's oceans
the center of mass of two or more orbiting objects
change in direction of the Earth's axis
the wobbling of Earth's axis
This is when the Earth, Moon, and Sun are aligned together; high tides are higher and low tides are lower
spring tide
neap tide
This is the alignment of the Sun, Moon, and Earth at a 90 degree angle; high tides are lower and low tides are higher
spring tide
neap tide
Barycenter is...
the wobbling of Earth's axis
the affect of the moon and sun have on Earth's oceans
change in direction of the Earth's axis
the center of mass of two or more orbiting objects
This is steadily expanding
universe
galaxy
planets
stars
This is the collection of stars and planets that are held together by gravity
solar system
universe
nebula
galaxy
This is the centrifugal force exerted by the rotation of axis causing oblate spheroid
equatorial bulge
latitudinal bulge
longitudinal bulge
centrifugal bulge
This deflects rays from the sun and protects us from solar winds
thermosphere
magnetosphere
ionosphere
exosphere
