7th Grade: 1st 9- Weeks Review

​1st 9- Weeks Review

(7th Grade)

Some text here about the topic of discussion

​Unit 1

Cell Theory

Levels of Organization

Cells and Cell Organelles ​

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

Multiple Select

Check all that applies to the Cell Theory:

• Plants

• Animals

• Bacteria

• Water

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

Multiple Choice

The basic unit of structure and function of living organisms

• organ

• organ system

• cell

• tissue

• organism

Multiple Choice

A cell is...

• the basic unit of structure and function in living organism
• an organism
• found only in animals, not plants

Multiple Choice

Organelles can be compared to...

• Human organs

• Small cells

• Human brain

• Human skin

3.Animal Cells

• Small Vacuoles- remove waste.

• No cell wall. Only membrane

• Makes energy with mitochondria from food

Multiple Choice

Vacuoles...

• Control the cell

• Protect the cell

• Remove waste

• Create energy

Multiple Choice

Animal cells have a cell wall.

• True

• False

Multiple Choice

What part in the animal cell take nutrients and turn it into energy?

• the cell membrane

• the nucleus

• mitochrondria

• vacuole

4. Plant Cells

• Large Vacuoles- remove waste.

• Has cell wall and membrane

• Chloroplasts make energy from sun

Multiple Choice

Plant cells have a cell wall AND a cell membrane.

• True

• False

Multiple Choice

Controls what goes in and out of the cell.

• cell membrane

• cell wall

• organelle

• cell

Multiple Choice

Breaks down food  to release energy. Known as the power plant of the cell.

• Endoplasmic Reticulum

• Mitochondria

• Ribosomes

• Cell Wall

​Unit 2

​

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Multiple Choice

What does the circulatory system do?

• Breaks down our food

• Decide our traits

• Transports blood throughout our body

Multiple Choice

Our circulatory system is made up of the heart, arteries, and veins.

• True

• False

Multiple Choice

What is the function of the heart?

• To pump blood around the body
• To remove oxygen from the blood
• To allow blood to flow through it 
• To breath

​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

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

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

Multiple Choice

Which example best describes a physical change?

• baking a pie

• burning a candle

• making a paper airplane

Multiple Choice

Melting Cheese

• physical change

• chemical change

Digestive System

by LENNY GILI

Multiple Choice

1. What is one of the main organs in the digestive system?

• Stomach

• Lungs

• Heart

• Blood cells

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

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

Multiple Choice

4. Digestive system help you breath.

• True

• False

Multiple Choice

It is a long muscular tube that connects the pharynx to the throat to the stomach.

• mouth

• esophagus

• large intestine

• small intestine

Multiple Choice

The only way food gets broken down is through...

• chemical reactions

• proteins

• amino acids

• none of these

Multiple Choice

Digestive _ really help chemical reactions go _.

• enzymes; slower

• proteins; slower

• proteins; faster

• enzymes; faster

Multiple Choice

Digestion really begins with...

• your mouth

• your esophagus

• your stomach

• your intestines

The respiratory system is made of many parts that all work together to:

• deliver oxygen to your cells

• remove carbon dioxide from your cells

Fill in the Blanks

The main function of the respiratory system is to deliver

to your cells. This allows them to undergo respiration, allowing them to function, grow and repair.

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

Multiple Select

Select ALL the organs that ARE parts of the respiratory system

• Heart

• Bronchi

• Trachea

• Capillaries

• Small intestine

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