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Semester One Review Part 2
Test Description: It is
Instructions: Answer all questions to get your test result.
1) A bioengineereed technology that changes how an organism functions is an adaptive technology. Which of these is an example of an adaptive technology?
A
a wheelchair
B
a ramp that provides wheelchair access to a building
C
a guide dog for blind people
D
genetically altered bacteria that produce human insulin
2) A student is given a sample of a solid that has a mass of 100 grams. The student determines that the volume of the sample is 10 cubic centimeters. D =M/V Bases on the formula, what is the density of the sample?
A
1 grams/cubic centimeter
B
10 grams/cubic centimeter
C
100 grams/cubic centimeter
D
1000 grams/cubic centimeter
3) USE YOU PERIODIC TABLE!!!! Which of these elements has the greatest atomic mass?
A
argon (Ar)
B
aluminum (Al)
C
neon (Ne)
D
helium (He)
4) Hydrogen gas (H2) is combined with oxygen gas (O2) to form water (H2O). Which of the following would be classified as a product in this reaction)?
A
Both Hydrogen and Oxygen
B
Oxygen
C
water
D
Hydrogen
5) Which is evidence that elements join together to form compounds?
A
A liquid vaporizes to form a gas.
B
A solid and a gas react to form a solid.
C
A magnet is used to separate iron filings from a heterogeneous mixture
D
Four liquids poured inot a container separate into four distinct layers
6) Which two pieces of laboratory equipment can be used to find and compare the densities of different wood block samples?
A
graduated cylinder and microscope
B
balance and thermometer
C
beaker and stopwatch
D
balance and ruler
7) Which substance below is a compound?
A
O
B
Na
C
Cl
D
H2O
8) An element appears in the far right column of the periodic table. What can you conclude about the element bases on this information?
A
It is a liquid and a metal
B
It is a metalloid
C
It is a solid
D
It is a nonmetal and a gas
9) USE YOUR PERIODIC TABLE!! Based on their location on the periodic table, which two elements share the MOST properties?
A
H and He
B
K and Kr
C
Na and Mg
D
He and Ar
10) USE YOUR PERIODIC TABLE!! Which Nonmetal listed is the most active?
A
Argon (Ar)
B
Sulfur (S)
C
Oxygen (O)
D
Chlorine (Cl)
*select an answer for all questions
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