Instructor: Rola, Badria, Paula, Jamale
Date: May___ , 2017
Subject: Science Revision Sheet
Name: ___________________
Class: Gr.2
Section: __
Number of pages: 4
1- Use the terms in the box to complete the sentences:
mixture
water vapor
evaporation
condensation
a. When water changes from a liquid to a gas, the change is called
_______________.
b. Water in its gas form is called ______________.
c. A mix of two or more substances is _________________.
d. When water changes from a gas to a liquid is called _____________.
2- Identify each of the following as either a physical change or a chemical
change.
a. Burning a paper ________
e. Slicing a carrot ______________
b. Cutting a water melon ____
f. Baking cupcakes ___________
c. Burning wood _____________
g. evaporating water __________
d. Freezing water ____________
h. dissolving salt in water _______
 Justify your answer:
 Physical change because: __________________________________________
____________________________________________________________________
 Chemical change because : ________________________________________
____________________________________________________________________
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3- Tell how water will change when you add (+) or take away (-) heat. Use
a word from the box:
a.
b.
c.
+ heat = __________________
(_)heat = _________________
(+) heat = ___________________
4- Circle the answer that best completes each sentence:
A. What happens to water when it boils?
a. It condenses
c. It evaporates
b. It freezes
d. It melts
B. How can you change a liquid to a solid?
a. Burn it
c. Condense it
b. Freeze it
d. Mix it
C. How can you change water into a gas?
a. Burn it
c. Condense it
b. Freeze it
d. Mix it
D. Jill cut an apple into pieces. What happened to the mass of the apple?
a. It stayed the same
c. It got smaller
b. It go bigger
d. none of the above
E. When we cook meat. How does it change?
a. From solid to liquid
c. Color and texture
b. Color only
d. Nothing will change
F. Which one is not a mixture?
a. Fruit salad
b. Sliced cucumbers
c. Milk shake
d. Lemonade
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5- Answer the following questions. Explain your answers.
a. How does the pasta change as it cooked?
_________________________________________________
_________________________________________________
b. Is the above change a chemical or a physical change? Justify your answer
_________________________________________________________________________
c. What happened to the candle, why it is getting shorter?
___________________________________________________
___________________________________________________
d. Anna and her mother make fruit salad. Tell one
Way the fruits change in this salad.
__________________________________________________
__________________________________________________
e. Explain how wood will change when burned.
Deduce the type of change formed.
__________________________________________________
__________________________________________________
f. Rami placed a glass coke bottle for 2 hours in the fridge.
What will happen when this bottle is removed and placed outside the fridge in
room temperature?
_____________________________________________________
_____________________________________________________
 Deduce the name of this process:
_______________________________
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6- Clara visited the science lab to perform some experiments:
She had some ice that she wants to melt.
a. Help Clara to name the tools needed for this experiment:
____________________________________________________________________
b. How will the ice change after heating?
____________________________________________________________________
c. Write the steps that Clara needs to follow to perform a condensation
process in the lab.
_______________________________________________________________________
_______________________________________________________________________
_______________________________________________________________________
_______________________________________________________________________
Good Luck in your Final Exam!
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