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WorksheetsUrine 4 a treat (excretory system +Science 7 review)
Total questions: 15
Worksheet time: 42mins
Name
Class
Date
1.
When your TV is turned on, it converts electrical energy to many other forms. Many of these forms include..
a)
light, sound, and heat
b)
chemical and potential
c)
elastic
d)
gravitational potential
2.
Photosynthesis requires solar energy to activate, carbon dioxide and water. What does it produce
a)
oxygen and glucose (sugar)
b)
oxygen and ATP
c)
glucose (sugar) and ATP
d)
heat and sulfur dioxide
3.
The urinary system has two key roles, what are they?
a)
Remove excess Nitrogen and regulate salts and water
b)
Regulate salts and water, and assist in the digestion process
c)
Remove excess nitrogen and assist in the digestion process
d)
Empty out all fluids and regulate the body's temperature
4.
Urine is transported from the urinary bladder to the outside of the body by the ________.
a)
urethra
b)
ureter
c)
trigone
d)
collecting duct
5.
Urine production takes place in the:
a)
nephrons
b)
bladder
c)
ureter
d)
renal pelvis
6.
Which of the following is directly involved in the transportation of materials inside/within the cell?
a)
Endoplasmic Reticulum
b)
Vacuole
c)
Lysosome
d)
Mitochondria
7.
I am a protein packaging and shipping machine! Who am I?
a)
vacuole
b)
ribosome
c)
mitochondrion
d)
golgi apparatus
8.
You might think of me as the trash collector, but recycler is maybe more accurate. What am I?
a)
mitochondria
b)
lysosome
c)
vacuole
d)
ribosome
9.
This organelle takes food and turns it into ENERGY for plant and animal cells.
a)
Chloroplast
b)
Mitochondria
c)
Lysosome
d)
Ribosome
10.
What percentage of the offspring in the punnett square are shown as a hybrid?
a)
100%
b)
75%
c)
50%
d)
25%
11.
What is happening in this graph from point A to B?
a)
The object is accelerating.
b)
The object is not moving.
c)
The object is decelerating.
d)
The object is moving at a constant speed.
12.
What is the equation for force?
a)
F= mass × acceleration
b)
F = mass × distance
c)
F= distance/time
d)
F = mass/time
13.
What is mechanical advantage?
a)
The advantage a machine has over a bicycle
b)
A measure of how much a simple machine reduces work
c)
A measure of when is the best time to use a simple machine
d)
the number of times a machine increases input force
14.
Find the net force: 15 N to the right, and another 15 newtons to the right.
a)
0 N Right
b)
0 N Left
c)
30 N Left
d)
30 N Right
15.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
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