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TCAP Prep 10
Test Description: Various questions to review for TCAP
Instructions: Answer all questions to get your test result.
1) I what part of the atom is most of its mass?
A
the electron cloud
B
the protons
C
the nucleus
D
the electron path
2) Which of these elements has seven valence electrons?
A
helium
B
argon
C
chlorine
D
oxygen
3) A device that uses electromagnetic induction to convert kinetic energy into electrical energy is a
A
motor
B
solenoid
C
generator
D
transformer
4) An insecticide kills a few insects, but a few survive. Because of natural selection, which of the following is most likely to happen?
A
the survivors will reproduce, but the offspring will be killed by another application of insecticide
B
eventually the rest of the insects will die off
C
the survivors will reproduce, and the replacement population will be resistant to the insecticide
D
the survivors will reproduce but will be deformed
5) According to the LAw of Consevation of Mass
A
change has nothing to do with saving or losing mass during a chemical or physical change
B
amount of matter present before a change is the same as the amount present after a change
C
amount of matter present after a change is less because matter has been saved
D
amount of matter present before a change is less than the amount present after a change
6) Until the 1700's, scientists classified organisms into only two kingdoms. Today's scientific classification system has four kingdoms. Why have scientists added more kingdoms?
A
the previous theory of classification did not account for the Latin names of organisms
B
scientists found that some living things did not fit into the plant group or the animal group
C
scientists found too many similarities between organisms in different kingdoms
D
scientists thought there were too many organisms to classify into only two kingdoms
7) Which of the following traits found in birds is not an adaptation for flight?
A
keel bone
B
rigid skeleton
C
sharp beak
D
light skeleton
8) Aluminum-27 has 13 protons. What is the total mass of its neutrons?
A
13 amu
B
27 amu
C
40 amu
D
14 amu
9) Iodine is in group 17 of the Periodic Table. During chemical changes, it forms an ion whose charge is
A
+1
B
-1
C
-2
D
+2
10) Which of the following is a learned behavior?
A
a mother killdeer pretending to have a broken wing
B
a crane performing a courtship dance to attract a mate
C
a human walking upright
D
a chimpanzee using a stick to get food from a hard-to-reach area
*select an answer for all questions
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