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WorksheetsSCIENCE QUIZ
Total questions: 23
Worksheet time: 18mins
Helium
He
H
Hf
Hs
Ca
Carbon
Caesium
Calcium
What is the number of neutralism in the pH scale?
1
6
7
7.5
An example of a base is:
soap
lemon
vinegar
water
If red litmus paper turns blue, what is it?
neutral
base
acid
nothing
What happens when acids and bases react with one another?
Neutralization occurs forming a salt and usually water
explosions occur always
the acid turns into a base
the base turns into an acid
What color does the red litmus paper turn, when in a base?
pink
red
blue
no change
How are fruit juices classified according to their pH?
classified as a base
classified as a neutral solution
classified as a base or neutral solution
classified as an acid
What do the elements highlighted in red have in common?
The same number of protons.
The same number of electrons.
The same number of neutrons.
The same number of electron shells.
Which of these are examples of Commensalism?
Barnacles riding on a whale.
Remora feeding of food scrapes left by a shark.
A tick sucking blood from its host.
Students collected leaf samples. The students used the leaf identification key below to identify a leaf sample.
Based on the identification key, which type of tree is this sample from?
Ginkgo
Honey locust
Horse Chestnut
Black Maple
Give an example of a unicellular organism.
bacteria
yeast
animal cell
plant cell
What is this?
cytoplasm
nucleus
vacuole
cell membrane
a
b
c
d
a
b
c
d
whats the best vocab for golgi
Get rid of waste animals only
Produces organisms
Answer not found
Filters & sorts proteins
