7th Grade Midterm (units 1-3) Question Preview (ID: 43936)
Properties Of Matter, Changes In Matter, Body Systems.
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What 2 body systems are most useful when chewing, swallowing, and the movement of food through the digestive tract?
a) muscular and digestive
b) muscular and nervous
c) circulatory and digestive
d) nervous and digestive
The skeletal, ______________, and _______________ systems of the body work together to move and control the body.
a) nervous , muscular
b) nervous, circulatory
c) excretory, digestive
d) integumentary, nervous
The smallest unit of a living thing, that can still carry out life functions is a
a) cell
b) molecule
c) organelle
d) tissue
In multicellular organisms, groups of cells which work together are called
a) tissues
b) organs
c) organ systems
d) organisms
What 2 body systems are most useful when your kidneys remove waste from your blood?
a) urinary/excretory and circulatory
b) digestive and circulatory
c) urinary and nervous
d) respiratory and nervous
The function of the ___________ system is to deliver oxygen to the blood and remove carbon dioxide.
a) respiratory
b) circulatory
c) nervous
d) excretory
Which of the following is NOT a physical property?
a) flammability
b) luster
c) density
d) mass
Melting, evaporation, and sublimation can all happen if enough energy is ___________ ______ a sample of matter.
a) added to
b) taken from
c) both added and subtracted
d) not changed in
The Law of Conservation of Mass states that matter cannot be ______________ or _______________, it can only _________________.
a) created, destroyed, change forms
b) created or destroyed, disappear
c) changed, destroyed, created
d) changed, created, destroyed
_________ is the green pigment chemical which helps plants absorb and use the sun's energy.
a) chlorophyll
b) chloroplast
c) leaf
d) stem
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