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STARR Review Questions I
Test Description: Preparing for the big exam
Instructions: Answer all questions to get your test result.
1) Which of the following best describes a neutron
A
negative subatomic particles located within the nucleus
B
neutral subatomic particle located within the nucleus
C
negative subatomic particle that moves around the nucleus
D
positive subatomic particle that moves around the nucleus
2) An atom of an element in period 4 group 2 of the periodic table has electrons in how many energy levels?
A
3
B
2
C
1
D
4
3) Which of the following is a characteristic of all chemical changes?
A
Light is given off
B
a new substance is formed
C
the reactants change their state of matter
D
a gas is produced
4) Lorenzo is investigating an element that is shiny, conducts electricity and bends easily. How is this element classified?
A
nonmetal
B
metal
C
metalloid
D
atomic compound
5) Velocity is the change in distance over time
A
never true
B
false
C
sometimes true
D
true
6) An object traveling through space with a constant velocity is best described as having
A
electrical energy
B
kinetic energy
C
no energy
D
potential energy
7) A wheeled cart is moving to the right at a constant speed. Two equal and opposite forces are acting on the cart. Which best describe the motion of the cart as the result of the forces?
A
it accelerates to the left
B
it changes direction and travels in a circular path
C
it slows to a stop
D
it continues moving at a constant speed
8) the sudden movement of the above plates is caused by
A
an unbalanced force
B
gravitational force
C
the weight of the plates
D
the mass of the plates
9) Mrs. Gupta is the Cub Scout den mother . Last night she and her cub scouts observed a full moon. What will the next phase they will observe?
A
waxing crescent
B
waning gibbous
C
waning cresenct
D
waxing gibbous
10) Most stars on the HR Diagram are part of
A
main sequence
B
nebula
C
supergiants
D
white dwarfs
11) During which of the following processes is new land created?
A
sea floor spreading
B
folding
C
subduction
D
faulting
12) A group of students decides to raise earthworms as a class project. The students plan to keep the worms in wooden boxes filled with humus soil. What other environmental factors are most important for worms to survive?
A
air pressure and wind in the area
B
temperature and moisture of soil
C
size and color of wooden boxes
D
color and length of earthworms
13) Some organisms are affected by short term environmental changes. Pine cones, for example, release seeds when exposed to extreme heat. What catastrophic event would allow pine cones to release seeds?
A
hurricane
B
forest fire
C
tornado
D
drought
14) The different beaks of the different species of Galapagos finches are a result of natural selection over time. Why have the different beaks adapted this way?
A
to increase competition among the different species
B
to fight off predators better
C
to produce different types of mating calls
D
to eat different types of food
15) Which describes one parent and uniformed offspring
A
heterotrophic
B
asexual
C
sexual
D
prokaryotic
*select an answer for all questions
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