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