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6TH GRADE SCIENCE CHAPTER 2 PART 3
Test Description: Chemistry
Instructions: Answer all questions to get your test result.
1) Where are metals located on the periodic table?
A
To the right of the nonmetals
B
Last two columns on the right
C
To the left of the nonmetals
D
Top Row
2) A paper clip breaks after being bent repeatedly. What type of change has the paper clip undergone?
A
None of the answer choices
B
Chemical Change
C
Endothermic Change
D
Physical Change
3) A sample of ethyl alcohol has a mass of 39.5g and a volume of 50mL........What is the density of the alcohol? hint: D=m/v (you need to know this formula)
A
0.79g/mL
B
0.79g/cm^3
C
0.79g
D
0.79mL
4) Anything that has mass and takes up space.
A
Element
B
Matter
C
Compound
D
Mass
5) A single kind of matter that is pure, meaning it always has a specific makeup, or composition.
A
Molecule
B
Weight
C
Mass
D
Substance
6) The amount of space that matter occupies. (To calculate: Volume=Length X Width X Height for a solid object)
A
Mass
B
Density
C
Volume
7) The basic particle from which all elements are made.
A
Element
B
Molecule
C
Compound
D
Atom
8) A group of two or more atoms held together by chemical bonds
A
Element
B
Molecule
C
Compound
9) A force of attraction between two atoms.
A
Atom
B
Chemical
C
Nuclear Bond
D
Chemical bond
10) A usually solid material that is a good conductor of both electricity and heat. Besides being good conductors, other important physical properties include luster, malleability, and ductility.
A
Metalloid
B
Nonmetal
C
Metal
11) A substance that can conduct electric current under special circumstances.
A
Semiconductor
B
Conductor
12) This alters the form or appearance of matter but does not turn any substance in the matter into a different substance.
A
Chemical Change
B
Physical Change
13) The fact that matter is not created or destroyed in any chemical or physical change is this.
A
Thermal Energy
B
Law of Conservation of Mass
14) The melting of ice is this, a change in which energy is absorbed.
A
Thermal Change
B
Endothermic Change
*select an answer for all questions
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