7th Grade: 1st 9- Weeks Review
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Science
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8th Grade
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Janeth Hernandez
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13 Slides • 31 Questions
1
1st 9- Weeks Review
(7th Grade)
Some text here about the topic of discussion
2
Unit 1
Cell Theory
Levels of Organization
Cells and Cell Organelles
3
4
Multiple Choice
Which statement is NOT a part of the Cell Theory?
All cells come from pre-existing cells
All living things are made of cells
All cells form from spontaneous generations
Cells are the basic unit of structure & function of living organisms
5
Multiple Select
Check all that applies to the Cell Theory:
Plants
Animals
Bacteria
Water
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7
Multiple Choice
Which of the following is the correct order of organization in living things from most basic (simple) to most complex?
organism, cell, tissue, organ, organ system
organ system, organ, tissue, cell, organism
cell, tissue, organ, organ system, organism
cell, organ, tissue, organism, organ system
8
Multiple Choice
The basic unit of structure and function of living organisms
organ
organ system
cell
tissue
organism
9
Multiple Choice
10
Multiple Choice
Organelles can be compared to...
Human organs
Small cells
Human brain
Human skin
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3.Animal Cells
Small Vacuoles- remove waste.
No cell wall. Only membrane
Makes energy with mitochondria from food
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Multiple Choice
Vacuoles...
Control the cell
Protect the cell
Remove waste
Create energy
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Multiple Choice
Animal cells have a cell wall.
True
False
14
Multiple Choice
What part in the animal cell take nutrients and turn it into energy?
the cell membrane
the nucleus
mitochrondria
vacuole
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4. Plant Cells
Large Vacuoles- remove waste.
Has cell wall and membrane
Chloroplasts make energy from sun
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Multiple Choice
Plant cells have a cell wall AND a cell membrane.
True
False
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Multiple Choice
Controls what goes in and out of the cell.
cell membrane
cell wall
organelle
cell
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Multiple Choice
Breaks down food to release energy. Known as the power plant of the cell.
Endoplasmic Reticulum
Mitochondria
Ribosomes
Cell Wall
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Unit 2
Some text here about the topic of discussion
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22
Multiple Choice
What does the circulatory system do?
Breaks down our food
Decide our traits
Transports blood throughout our body
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Multiple Choice
Our circulatory system is made up of the heart, arteries, and veins.
True
False
24
Multiple Choice
25
A change where a new substance is created; a chemical reaction
Ex. nail rusting, baking a cake, mixing baking soda & vinegar
Chemical Change
A change to the physical properties of a substance. (No new material forms)
Ex. mowing the grass, a wall being painted, water changing to vapor
Physical Change
Physical vs. Chemical Change
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Multiple Choice
Students observed a piece of iron change from shiny to rusty. What caused this change?
a chemical reaction
a heat reaction
a cold reaction
a physical reaction
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Multiple Choice
Which is the best example of a new substance forming?
lighting a match
cutting a piece of paper
popping a balloon
hitting a nail with a hammer
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Multiple Choice
Which example best describes a physical change?
baking a pie
burning a candle
making a paper airplane
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30
Multiple Choice
Melting Cheese
physical change
chemical change
31
Digestive System
by LENNY GILI
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Multiple Choice
1. What is one of the main organs in the digestive system?
Stomach
Lungs
Heart
Blood cells
33
Multiple Choice
2. What does the digestive system do?
Takes your energy away
pumps blood
Breaks down food and gives you Energy and nutrients
detoxifies the body
34
Multiple Choice
3. Digestive System-The body system that allows your body to get nutrients and energy it needs from the food you eat.
True
False
35
Multiple Choice
4. Digestive system help you breath.
True
False
36
Multiple Choice
It is a long muscular tube that connects the pharynx to the throat to the stomach.
mouth
esophagus
large intestine
small intestine
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Multiple Choice
The only way food gets broken down is through...
chemical reactions
proteins
amino acids
none of these
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Multiple Choice
Digestive _ really help chemical reactions go _.
enzymes; slower
proteins; slower
proteins; faster
enzymes; faster
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Multiple Choice
Digestion really begins with...
your mouth
your esophagus
your stomach
your intestines
40
The respiratory system is made of many parts that all work together to:
deliver oxygen to your cells
remove carbon dioxide from your cells
41
Fill in the Blanks
Type answer...
42
Multiple Choice
Another main function of the respiratory system is to remove ______ _______ gas from the body. This can be toxic to the cells if it is not removed.
nitrogen
oxygen
carbon dioxide
helium
43
Multiple Select
Select ALL the organs that ARE parts of the respiratory system
Heart
Bronchi
Trachea
Capillaries
Small intestine
44
Multiple Choice
Select the answer that is most scientifically accurate:
air goes in and out and that's how our body gets oxygen
air gets delivered to our cells through some pipes
oxygen is absorbed from the air and delivered to our cells
oxygen diffuses from the air in our lungs, into our blood cells which then transport the oxygen to our cells
1st 9- Weeks Review
(7th Grade)
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