Worksheets7th Science TCAP
Total questions: 65
Worksheet time: 1hrs 5mins
Organelle that creates energy in the form of ATP by reacting glucose and oxygen.
Mitochondria
Chloroplast
Nucleus
Golgi body
Where sunlight is absorbed and photosynthesis happens.
Mitochondria
Chloroplast
Nucleus
Golgi body
Holds DNA and controls the cell.
Mitochondria
Chloroplast
Nucleus
Golgi body
What will be present at the end of mitosis?
4 identical cells
2 identical cells
4 different cells
2 different cells
What will be present at the end of meiosis?
4 identical cells
2 identical cells
4 different cells
2 different cells
1 parent; genetically identical
sexual
asexual
2 parents; genetically different
sexual
asexual
2 or more elements chemically combined
mixture
compound
element
A homogeneous ________ is made during a physical change and has particles that all look the same
mixture
compound
element
Pure substance made of only 1 type of atom.
mixture
element
compound
Elements in the same group share many things in common.
True
False
Most reactive metal group.
1
2
17
18
2nd most reactive metal group.
1
2
17
18
Most reactive non-metal group.
1
2
17
18
Colorless, odorless, unreactive gases.
1
2
17
18
This element does not fit any group, even though it is placed above group 1 the alkali metals.
hydrogen
helium
nitrogen
carbon
The prefix hetero- in heterozygous and hetergenous means....
different
same
This system takes in oxygen and releases carbon dioxide using the lungs and trachaea (Windpipe).
digestive
respiratory
nervous
integumentary
Breaks down food into nutrients using stomach and intestines.
digestive
respiratory
nervous
integumentary
Provides homeostasis or balance for the body using skin, hair, and nails.
digestive
respiratory
nervous
integumentary
Where will you find the heaviest elements on the periodic table?
At the bottom of a group
At the top of a group
In the middle
On the zigzag line
Before nitrogen can be used by plants and animals, what must happen to it?
it must be broken down into a simpler form
it must be fixed by unicellular organisms like bacteria
it must combine with oxygen gas
it must be consumed by fungi
What do the plant and protist kingdoms have in common?
they are both unicellular
they both have chloroplasts and can photosynthesize
they both are animals
they both use asexual reproduction only
This system delivers oxygen and other essential nutrients around the body.
Cardiovascular
Respiratory
Nervous
Immune
During what phase of Mitosis do the chromosomes line up in the Middle
Metaphase
Prophase
Telophase
Anaphase
What is the purpose of Mitosis?
Growth of an organism and Repair of damaged tissue
To help the body get rid of extra cells
To increase the amount of classwork you have to do
To get rid of the nucleus
BB
Which of the following is an example of a beneficial mutation?
When an organism's lifespan becomes shorter.
When an organism becomes unable to reproduce.
When an organism's body becomes deformed.
When an organism develops immunity to a disease.
the positively charged subatomic particle contained in the nucleus of an atom
proton
neutron
electron
matter
What are the products of cell respiration?
water, light, and sugar
water, carbon dioxide, ATP
oxygen, water, sugar
Photosynthesis _________ the energy that cell respiration ______.
builds ; breaks
breaks ; build
eats ; builds
What are the products of photosynthesis?
carbon dioxide and glucose
oxygen and glucose
water and carbon dioxide
oxygen and carbon dioxide
Which model correctly shows a mixture that is made of an elemental molecule and a compound?
Why is water classified as a compound?
Because it is made of 2 or more atoms.
Because it is made of 2 or more identical atoms.
Because it is made of 2 or more different atoms.
Which diagram below shows a compound molecule?
What is being shown in this image?
Single Atoms (Element)
Compound Molecule
Elemental molecule
Mixture
What is the definition of "Greenhouse Effect?"
Gases that increase Earth's temperature
when the gases in Earth’s atmosphere trap heat from the Sun and keep the planet warm
the pattern of weather that occurs over time
When our climate changes
What are some potential consequences of climate change?
The sea levels will rise putting seaside towns and cities at risk of drowning
The sea levels will drop putting seaside towns and cities at risk of drowning
More extreme weather
Animals will be able to adapt to the changes
In a chemical reaction, 4 grams of sodium must combine with how many grams of chlorine to produce 10 grams of table salt?
4 grams
6 grams
8 grams
10 grams
What is the part of the chemical equation in green called?
Fe + S → FeS
products
reactants
yield
input
According to the Law of Conservation of Mass, what happens to the wood and oxygen when it is burned?
The wood disappears.
It stays the same chemically.
The atoms in the wood and oxygen rearrange and form smoke and ash.
Nothing.
How many oxygen atoms are in this chemical formula?
6 oxygen atoms
2 oxygen atoms
3 oxygen atoms
4 oxygen atoms
Which Chemical Equation is Balanced?
Fe4+O2------4FeO2+O2
2H2+O2-----2H2O
3Cr+4O₂-----2Cr₂O₃
Is this equation balanced?
Yes, everything appears the same amount on each side.
No, there are too many oxygen on the left side.
Is this equation balanced?
Yes, everything appears the same amount on each side.
No, there are too many hydrogen on the left side.
No, there are too many oxygen on the left side.
