7th Grade Midterm (units 1-3) Question Preview (ID: 43936)


Properties Of Matter, Changes In Matter, Body Systems. TEACHERS: click here for quick copy question ID numbers.

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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