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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
circulatory and digestive
B
muscular and digestive
C
muscular and nervous
D
nervous and digestive
2) The skeletal, ______________, and _______________ systems of the body work together to move and control the body.
A
nervous , muscular
B
nervous, circulatory
C
integumentary, nervous
D
excretory, digestive
3) The smallest unit of a living thing, that can still carry out life functions is a
A
molecule
B
cell
C
tissue
D
organelle
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
digestive and circulatory
C
urinary/excretory and circulatory
D
urinary and nervous
6) The function of the ___________ system is to deliver oxygen to the blood and remove carbon dioxide.
A
circulatory
B
respiratory
C
nervous
D
excretory
7) Which of the following is NOT a physical property?
A
mass
B
luster
C
density
D
flammability
8) Melting, evaporation, and sublimation can all happen if enough energy is ___________ ______ a sample of matter.
A
both added and subtracted
B
added to
C
taken from
D
not changed in
9) The Law of Conservation of Mass states that matter cannot be ______________ or _______________, it can only _________________.
A
created or destroyed, disappear
B
changed, destroyed, created
C
created, destroyed, change forms
D
changed, created, destroyed
10) _________ is the green pigment chemical which helps plants absorb and use the sun's energy.
A
chlorophyll
B
leaf
C
chloroplast
D
stem
*select an answer for all questions
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