Georgia Science Grade 6

Chapter 2: Matter

CRCT Practice

1
Which term best describes the snack shown?
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A)heterogeneous mixture
B)homogeneous mixture
C)solution
D)compound
2
Which has a negative charge?
A)electron
B)nucleus
C)proton
D)neutron
3
In which type of bond do atoms share electrons?
A)metallic
B)hydrogen
C)ionic
D)covalent
4
Which state of matter consists of ions and electrons?
A)solid
B)plasma
C)gas
D)liquid
5
In which state of matter do atoms vibrate but remain in fixed positions?
A)solid
B)gas
C)plasma
D)liquid
6
What is the chemical symbol for carbon?
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A)C
B)H
C)S
D)Sn
7
In which state does pure carbon exist at room temperature?
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078778441/516730/af.jpg','popWin', 'width=154,height=182,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (6.0K)</a>
A)gas
B)liquid
C)solid
D)plasma
8
Which particle orbits an atom's nucleus?
A)isotope
B)neutron
C)proton
D)electron
9
Which term best describes seawater?
A)solution
B)ion
C)isotope
D)element
10
How much more dense is platinum than gold, in grams per cubic centimeter?
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078778441/516730/ag.jpg','popWin', 'width=211,height=250,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (22.0K)</a>
A)1.2 g/cm3
B)19.3 g/cm3
C)2.2 g/cm3
D)21.5 g/cm3
11
How many cubic centimeters of space are taken up by 10.5 g of silver?
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078778441/516730/ag.jpg','popWin', 'width=211,height=250,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (22.0K)</a>
A)10.5
B)10
C)1
D)0.5
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