WorksheetsSCIENCE ENTRANCE EXAM (A)
Total questions: 10
Worksheet time: 50mins
Name
Class
Date
1.
A starting substance that is part of a chemical reaction?
a)
property
b)
product
c)
reactant
d)
atoms
2.
Balance this equation
a)
6P + O2 -------> 3P2O5
b)
P4 + O2 ------> 2P2O5
c)
2P + 2O2 ------> P2O5
d)
4P + 5O2 ------> 2P2O5
3.
Which change will produce a new substance
a)
making coffee
b)
making cookies
c)
making boiling water for tea
d)
making snowflakes from paper
4.
When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?
a)
Dependent
b)
Independent
c)
Control
5.
Which particle contributes the negative charge to the atom?
a)
proton
b)
electron
c)
neutron
d)
nucleus
6.
Identify the cellular organelle that the process of photosynthesis occurs in:
a)
mitochondria
b)
chloroplast
c)
nucleus
d)
vacuole
7.
Identify the cellular organelle that the process of cellular respiration occurs in:
a)
mitochondria
b)
chloroplast
c)
nucleus
d)
golgi
8.
What is the simplest level of organization in the body?
a)
cell
b)
tissue
c)
organ
d)
organ system
9.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
10.
What is kinetic energy?
a)
energy of work
b)
energy of motion
c)
energy of gravity
d)
energy of power
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