WorksheetsScience Entrance Exam
Total questions: 10
Worksheet time: 46mins
Name
Class
Date
1.
Which defines and atom?
a)
Building Block of energy
b)
Building Block of matter
c)
charged particle
d)
smallest particle
2.
Melting Ice
a)
Chemical Change
b)
Physical Change
3.
Which sub-atomic particle is responsible for reactions between most atoms?
a)
Proton
b)
Neutron
c)
Electron
d)
None of these
4.
Evidence of a chemical change includes:
a)
Color changes
b)
Temperature changes
c)
Small explosions
d)
All of the above
5.
It is a proposed explanation for a phenomenon based on scientific knowledge. It can be either accepted or rejected after an experiment is performed.
a)
Hypothesis
b)
Objective
c)
Analysis
d)
Conclusion
6.
The process of evaporation occurs when a substance changes from
a)
Liquid to solid
b)
Solid to gas
c)
Liquid to gas
d)
Solid to liquid
7.
If the mass of an object is 200g and its volume is 100mL. What is its density?
a)
2 g/mL
b)
0.5 mL/g
c)
2 mL/g
d)
0.5 g/mL
8.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
9.
Which of the following is the smallest unit of life that can carry out all life functions?
a)
the mitochondria
b)
the vacuoles
c)
the nucleus
d)
the cell
10.
Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do. What is the main function of the chloroplasts found in plant cells?
a)
to absorb light energy and manufacture food
b)
to remove waste materials by active transport
c)
to manufacture chemical energy from food
d)
to control the shape of the cell
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