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