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WorksheetsKS3 revision
Total questions: 36
Worksheet time: 31mins
Name
Class
Date
1.
What is the function of the mitochondria?
a)
Pack and ship proteins
b)
Make proteins
c)
Make energy (ATP)
d)
Removes waste
2.
I am the control center of the cell and house the DNA. Who am I?
a)
Cytoplasm
b)
Nucleus
c)
Ribosome
d)
Golgi Apparatus
3.
What is the function of the cell membrane?
a)
Produces ATP
b)
Produces proteins and lipids
c)
Keep the organelles in place
d)
Control what enters and leaves the cell
4.
Which organelle is found in plant cells only?
a)
Cell Membrane
b)
Cell Wall
c)
Many Small Vacuoles
d)
Cytoplasm
5.
What is the chemical symbol for the element hydrogen
a)
H
b)
He
c)
h
d)
he
6.
What is the chemical symbol for the element Carbon
a)
ca
b)
co2
c)
C
d)
Cd
7.
What is the chemical symbol for the element copper?
a)
co
b)
c
c)
Cu
d)
cu
8.
What is the chemical symbol for the element Nitrogen
a)
Ni
b)
N
c)
No
d)
Nb
9.
What is the chemical symbol for the element Chlorine
a)
C
b)
Cl
c)
cl
d)
Ch
10.
What element is represented by the Chemical symbol Mg
a)
Manganese
b)
Magnesium
c)
Molybdenum
d)
Mitrium
11.
What is the chemical symbol for the element Iron
a)
I
b)
Ir
c)
Fe
d)
fe
12.
What is the chemical symbol for the element Sodium
a)
Na
b)
So
c)
S
d)
Sd
13.
Which one of the following techniques would best be used to separate soil and water?
a)
crystallization
b)
distillation
c)
Filtration
d)
Chromatography
14.
What is this?
a)
roots
b)
stem
c)
leaves
d)
flowers
15.
What is the function of a leaf?
a)
Leaves are where photosynthesis takes place
b)
Leaves absorb water from the soil
c)
Leaves help a plant reproduce
d)
Leaves absorb minerals from the soil
16.
This part of the plant holds it in the ground
a)
stem
b)
root
c)
leaf
d)
seed
17.
The yellow, powdery stuff on the stamens
a)
Pollen
b)
Dust
c)
Mites
d)
Germs
18.
where does photosynthesis take place
a)
leaf
b)
stem
c)
flower
d)
roots
19.
Process by which green plants prepare their own food
a)
Germination
b)
Pollination
c)
Transpiration
d)
Photosynthesis
20.
which one only has one type of atom In it.
a)
Element
b)
compound
21.
Compounds are chemically bonded together
a)
False
b)
True
c)
I don't know?
22.
What is H2SO4
made up of?
made up of?
a)
2 hydrogen, 1 sulfur, 4 oxygen
b)
1 hydrogen, 2 sulfur, 4 oxygen
c)
2 hydrogen & 4 sodium
d)
1 hydrogen & 6 sodium
23.
How many elements are represented in the compound?
Na2CO3
Na2CO3
a)
1
b)
2
c)
3
d)
4
24.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements and Compounds
d)
Mixture of Elements
25.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
26.
Ink can be separated by a method of -----------------------------------------------
a)
distillation
b)
filtration
c)
chromatography
d)
sedimentation
27.
Which ink is a mixture of different pigments?
a)
red
b)
orange
c)
green
d)
black
28.
In paper chromatography, the MOST soluble solute .......
a)
does not move from the start point
b)
stays closest to the start point
c)
travels furthest away from the start point
d)
can be found in the middle of the chromatogram
29.
Solubility is defined as
a)
the ability to catch on fire
b)
the ability to be dissolved
c)
the ability to fly.
d)
the ability to get on Mrs. D's nerves.
30.
The substance being dissolved in a solution.
a)
sands
b)
solute
c)
solvent
d)
alloy
31.
Solutions are composed of __________ .
a)
salts and solutes
b)
solvents and salts
c)
solutes and alloys
d)
solutes and solvents
32.
In this mixture, which of the following will be the solute?
a)
The water in the glass
b)
The glass that holds the final mixture
c)
The solution containing both powder and water
d)
The powder on the spoon
33.
What is the simplest form that cannot be broken down to anything simpler?
a)
element
b)
solution
c)
compound
34.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
35.
What is the speed of an object that travels 20 meters in 4 seconds?
a)
80 m/s
b)
0.2 m/s
c)
5 m/s
d)
24 m/s
36.
What pulls a ball back to earth?
a)
Gas
b)
Gravity
c)
Friction
d)
Molecules
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