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Worksheets7th grade Final Exam Review 2023
Total questions: 162
Worksheet time: 13hrs 35mins
A group of tissues that perform a similar function is called a(n) ____________ . Examples include the heart, lungs, or stomach.
cell
tissue
organ
organ system
Which includes an order of organization of multicellular organisms from smallest to largest?
tissues, cells, organs, organ systems, organism
cell, tissue, organs, organ systems, organism
organism, cells, tissues, organ systems, organism
tissues, cells, organs, organ sytems, organism
A jelly-like fluid that lls all the empty space in the cell, giving it shape and keeping everything in place.
chromatin
cytoplasm
nucleus
nucleoplasm
The control center of the cell.
cytoplasm
nucleus
nucleoplasm
chromatin
Which means of particle transport requires energy?
diffusion
osmosis
facilitated diffusion
active transport
Moving materials from an are of LOW concentration to HIGH concentration requires active transport. (against the gradient)
true
false
Identify the substance/molecule that will not diffuse.
Starch
Glucose
Iodine
What increases the surface area of the small intestine?
duodenum
villi
ileum
pancreas
Arteries
carry oxygenated blood to the heart
carry oxygenated blood away from the heart
carry deoxygenated blood to the heart
carry deoxygenated blood away from the heart
Veins
carry deoxygenated blood to the heart
carry deoxygenated blood away from the heart
carry oxygenated blood to the heart
carry oxygenated blood away from the heart
White blood cells
are mostly water and transport substances around the body
carry oxygen around the body
protect the body from disease
clot the blood
Blood is made up of
Plasma
Blood cells - red and white
Platelets
All of the above
Hormones are
email messages
chemical messages
voicemail messages
chemical markers
What organs in the nervous system pass along messages?
neurons
brain tissue
cords
wires
Which is NOT a function of the nervous system?
responding to information
making blood cells
receiving information on the environment
maintaining homeostasis
Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?
In order for genetic information to be transferred into daughter cells.
In order for the cell to be able to increase in size.
In order for the DNA to be contained in the nucleus.
In order for the cell to re-order the DNA sequencing in the new cells.
Humans have ________ pairs of chromosomes.
21
23
46
None of the above
Which is a type of Asexual Reproduction
Sexual
Binary fission
Cells
organism
This is an example of asexual reproduction by...
budding
binary fission
sporulation
vegetative propagation
Animals having external fertilization usually produce large number of gametes because
Animals are small in size and want to produce more offspring
Food is available in plenty of water
To ensure better chance of fertilization
Water promotes production of large number of gametes
Fertilization that occurs inside the body
Internal Fertilization
External Fertilization
Mammals, reptiles, and birds undergo this type of fertilization.
Internal Fertilization
External Fertilization
Amphibians and fish undergo this type of fertilization.
Internal Fertilization
External Fertilization
Which type of metamorphosis is represented?
complete metamorphosis
incomplete metamorphosis
When an animals transforms it's body during it's life cycle...
Nymph
Metamorphosis
Larva
Heredity
Which of the following examples provides evidence of a PHYSICAL change?
Wood is burned and releases ash and smoke
Iron rusts over time
When mixed, baking soda and vinegar form gas bubbles
Boiling water bubbles when heated
A physical change...
changes the physical properties of an object, but does not create a new substance.
creates a new substance and cannot be undone.
Is this an example of a physical or chemical change?
physical
chemical
Which of the following is NOT an example of a physical change?
crumpling paper
sharpening a pencil
clothes shrinking
sour milk
A mixture is what you get when you combine two substances in such a way that no chemical reaction occurs between the components. A solution (homegeneous) is a mixture that looks exactly the same everywhere. Which of these mixtures is a solution?
Italian salad dressing
cereal and milk
salt and sand
sugar and water
Based on the Law of Conservation of Matter, describe the relationship between the mass of the reactants and the mass of the products.
The mass of the products is always greater than the mass of the reactants.
The mass of the reactants is less than the mass of the products.
The mass of the reactants equals the mass of the products.
The mass of the reactants is greater than the mass of the products.
If the mass of a chemical reaction's product is 15 grams, what would the mass of the reactants be?
20 g
15 g
10 g
3 g
Subatomic particles that have a negative charge
electrons
protons
quarks
neutrons
Subatomic particle that has a positive charge
electron
poitron
neutron
proton
The center of an atom is called the ________________.
electron cloud
nucleus
neutrion
nuetron
In what part of an atom can the protons and neutrons be found?
nucleus
neutrine
electron cloud
proton cloud
Which parts of the atom move around the nucleus?
electrons
protons
electrode particles
neutrons
Which substance is MOST soluble at 0 ºC?
KI
NaNO3
NaCl
Ce2(SO4)3
Al(OH)3 → Al2O3 + H2O
Replacement
Identify the type of chemical reaction
Synthesis
Decomposition
Replacement
How do you increase the strength of an electromagnet?
add more magnets
larger core
increase the number of coils around the core
salt water
A force is defined as a (Check all that apply)
Push
Pull
Spin
Rotation
A reference point is defined as
the ending point you choose to describe the position of an object
the starting point you choose to describe the position of an object
the spot you point to where position is referenced
Motion is the process of changing position.
True
False
Velocity is the speed and _________ of a moving object.
vector
magnitude
direction
motion
How long did it take the sea turtle to travel 12 km?
4 days
7 days
1 day
3 days
Select the correct unit of measurement for Force.
Joules
Isaacs
Newtons
meters per second
Newton's 2nd law states:
Force= Mass X Inertia
Force= Mass X Acceleration
Acceleration= Mass X Force
Newton's 3rd Law states that for every action there is an unequal and opposite reaction. True or False?
True
False
Which type of force resists motion?
Friction
Gravity
Pull
Push
If two toy trucks are pushed with the same force, Which one will move the longest distance?
The one with more mass
The one with less mass
The mass will make no difference
What makes a good reference point?
Something that is in constant motion
Something that is acceleration
Something that is stationary (not moving)
Something that is decelerating
At what point is the speed the greatest?
C-D
B-C
A-B
the tendency of an object to resist a change in its motion
acceleration
inertia
mass
frame of reference
Which explains why the tablecloth trick works?
The dishes are stuck in place due to air resistance.
The tablecloth is an ilusion.
The dishes have inertia, and therefore stay on the table.
magic
Complete the law:
For every action, there is an ____________ reaction.
equal and opposite
equal
opposite
bigger and better
An orbit is...
The spinning of the Earth
The path that Earth follows around the Sun
How long it takes the Earth to revolve around the Sun
The path that the Sun follows around the Earth
How long does Earth's revolution around the Sun take?
24 hours
365 days
10 years
30 minutes
How long does the Moon's revolution take?
365 days
One month
10 years
30 minutes
What keeps planets in orbit around the Sun?
Nothing
Force and motion
Friction
Gravity and inertia
What keeps you on Earth?
Gravity
Inertia
Friction
Magnetism
The graph shows the observed water levels, in feet (ft), for a tide gauge located at Montauk, New
York, on the easternmost end of Long Island, from January 24, 2008 to noon on January 25, 2008.
What causes the water-level variation pattern shown by the graph?
cyclic and not predictable
noncyclic and predictable
cyclic and predictable
noncyclic and not predictable
The graph shows the observed water levels, in feet (ft), for a tide gauge located at Montauk, New
York, on the easternmost end of Long Island, from January 24, 2008 to noon on January 25, 2008.
What causes the water-level variation pattern shown by the graph?
Earth's rotation and the gravitational pull of the Moon
changes in wind velocity produced by coastal storms
changes in magnetic orientation of the North American Plate
Earth's revolution and the distance from the equator
Energy is produced within a star's core by the process of
nuclear fusion
insolation
conduction
radioactive decay
What is at the middle of a Heliocentric system?
Mars
Moon
Sun
Earth
What is at the middle of a Geocentric system?
Sun
Neptune
Earth
The Universe
Nickname for Comets--
Rocks that glow
rock "stars"
dirty snowballs
A meteoroid is found
in Space
entering earths atmosphere
impacting earths surface
What moon phase comes after this?
What two things determine the gravity of an object?
mass & weight
mass & distance
density & mass
volume & distance
Which of the following correctly places these in order from LARGEST to SMALLEST?
galaxy -- local group/cluster -- planet -- solar system -- universe
universe -- local group/cluster -- galaxy -- solar system -- planet
planet -- solar system -- galaxy -- local group/cluster -- universe
universe -- galaxy -- solar system -- local group/cluster -- planet
A galaxy that does not have a regular shape?
Spiral
Elliptical
Irregular
Quasar
What Galaxy is Earth located?
Andromeda
Milky Way
Sagittarius
Snickers
What is the value on the balance?
901.5 g
900 g
190.4 g
Find the mass.
285.3 g
275.5 g
275.3 g
What is the value on the balance?
240.0 g
142.0 g
100.4 g
Wha type of tide would this arrangement of earth-moon-sun create?
full moon tide
new moon tide
neap tide
spring tide
Lunar eclipse
solar eclipse
A lunar eclipse only happens during a ________ moon.
New
Full
Crescent
Gibbous
What is the darkest inner part of the shadow cone called, where a total eclipse can be viewed?
antumbra
umbra
penumbra
gibbous
These two factors influence an object's gravitational influence on another object - mass and ____
personality
size
distance between the 2 objects
weight
