Florida Science Grade 6

Chapter 15: Understanding Matter

FCAT Practice

1.
Which of the following physical properties does an acid have?
A)cold to the touch
B)is corrosive
C)sharp smell and sour taste
D)slippery and bitter taste
2.
Which of the following could occur when either a physical or a chemical change takes place?
A)production of smoke
B)release of oxygen
C)release of heat
D)formation of bubbles
3.
Which state of matter is represented by the particles in the jar labeled C?

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A)liquid
B)plasma
C)solid
D)gas
4.
If the material in the jars are all a form of H2O, which might be a temperature for jar B?

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A)-5°C
B)15°C
C)105°C
D)215°C
5.
When a balloon bursts, most of the air escapes and the balloon shrinks. What happens to the balloon?
A)The volume of the balloon decreases.
B)The mass of the balloon increases.
C)The mass of the balloon decreases.
D)The volume of the balloon increases.
6.
The melting point of lead is 327.5°C. Which of the following could describe lead?
A)gas at 280°C
B)liquid at 310°C
C)solid at 380°C
D)solid at 310°C
7.
According to the chart above, which of these materials has a greater mass for a volume of 100 cm3?

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A)copper (Cu)
B)lead (Pb)
C)iron (Fe)
D)magnesium (Mg)
8.
Which material could have a volume of 0.75 cm3 and a mass of 14.5 g?

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A)aluminum (Al)
B)platinum (Pt)
C)tin (Sn)
D)gold (Au)
9.
What would be the approximate mass of a 0.5-cm3 block of silver?

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A)5 g
B)0.5 g
C)1 g
D)10 g
10.
Which is a chemical property of matter?
A)density
B)ductility
C)malleability
D)flammability
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