Name 5 senses humans use to interact with their environment
sight, hearing, smell, touch, taste
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baam
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gift
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rocket
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baam
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15
The nervous system is divided into two parts: the central nervous system and the ______ nervous system
peripheral
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lifesaver
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magnet
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rocket
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thief
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25
15
Give an example of a pure substance
student answer
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15
An alloy is an example of a ____ mixture.
homogeneous
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15
True or false: Muscles work in pairs to pull bones
true
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15
Density is the relationship between an objectÂīs _____ and_____
mass, volume
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15
The components of a ____ mixture can be seen with the naked eye or a microscope.
heterogeneous
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15
What attaches bones to bones?
ligaments
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15
Explain the difference between mass and volume
mass is a measure of the quantity of matter in an object, measured in gr and kg. Volume is the amount of space an object occupies measured in cubic meters & cm
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15
_____ is everything that can produce a change in matter.
Energy
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15
Describe the function of the skull and the spinal cord
the skull protects the encephalon. The spinal cord transports information between the receptors, the encephalon and the effectors.
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15
Name three characteristics of light
It travels in a straight line, in all directions and faster than any other type of energy
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trap
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gold
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gift
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lifesaver
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15
True or False: The parts of a pure substance are the components
False. A pure substance is not made up of different components
