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Questão 1
Questão
All elements are composed of extremely small particles called
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molecules
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atoms
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compounds
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electrons
Questão 2
Questão
The atomic number of an element is based on the ____________.
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number of electrons
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number of protons
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number of neutrons
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the number of nuclei
Questão 3
Questão
What part of the brain controls memory?
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cerebellum
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cerebrum
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brainstem
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spinal cord
Questão 4
Questão
What is a neuron?
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brain cell
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skin cell
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nerve cell
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blood cell
Questão 5
Questão
The automatic response of the body that occurs rapidly is a
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reaction
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behavior
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breath
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reflex
Questão 6
Questão
Arteries take blood
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to the heart.
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away from the heart to the body.
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to the lungs.
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away from the lungs.
Questão 7
Questão
Veins take blood
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to the heart
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to the body
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to the lungs.
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to the skin.
Questão 8
Questão
Check the boxes that are examples of chemical changes.
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Burning a piece of paper.
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Ripping up a piece of paper.
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Melting ice.
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Baking a cake.
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A nail rusting.
Questão 9
Questão
Check the examples of a physical change.
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Breaking a glass
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Ice melting.
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Baking a cake.
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ripping up a piece of paper.
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A nail rusting.
Questão 10
Questão
In a neutral atom, the number of protons equals the number of
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atoms
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neutrons
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electrons
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nuclei
Questão 11
Questão
Check the boxes of the particles found in the nucleus of an atom.
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electron
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nuetron
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proton
Questão 12
Questão
The powerhouse of the cell is the
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nucleus
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vacuole
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mitochondria
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cell membrane
Questão 13
Questão
Mark all of the correct answers.
The process of photosynthesis takes place
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in an animal cell.
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in a plant cell.
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in a mitochondria
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in a chloroplast.
Questão 14
Questão
Most digestion(processing of nutrients) takes place in the
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stomach
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mouth
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large intestine
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small intestine
Questão 15
Questão
What is the muscular tube that squeezes food down into the stomach called?
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wind pipe
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spinal cord
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esophagus
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colon
Questão 16
Questão
These produce a fluid that enters the mouth and begins digestion of some starches
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salivary glands
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stomach
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liver
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eyes
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