Daily Science ReviewFebruary 24, 2014

Monday

1. Which of the following actions will NOT help you separate a mixture?

a. heating

b. filtering

c. cutting

d. evaporating

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Tuesday

2 What would you expect to find inside an electromagnet?

a. A coil of wire

b. A permanent magnet

c. Two bar magnets

d. A device that uses electricity

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Wednesday

3. Water is a compound, H2O. What are its smallest parts in water vapor?

a. Molecules of H2O

b. Atoms of H and atoms of O

c. Drops of liquid water, H20

d. Charged elements of hydrogen and oxygen

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Thursday

4. If an increase of decrease in temperature is large enough, it can cause

a. A loss of mass

b. An electrostatic discharge

c. A transfer of electrons

d. A change of state

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