STARR Review Questions I Question Preview (ID: 37035)
Preparing For The Big Exam.
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Which of the following best describes a neutron
a) positive subatomic particle that moves around the nucleus
b) negative subatomic particle that moves around the nucleus
c) negative subatomic particles located within the nucleus
d) neutral subatomic particle located within the nucleus
An atom of an element in period 4 group 2 of the periodic table has electrons in how many energy levels?
a) 4
b) 3
c) 2
d) 1
Which of the following is a characteristic of all chemical changes?
a) Light is given off
b) a new substance is formed
c) a gas is produced
d) the reactants change their state of matter
Lorenzo is investigating an element that is shiny, conducts electricity and bends easily. How is this element classified?
a) nonmetal
b) metalloid
c) metal
d) atomic compound
Velocity is the change in distance over time
a) true
b) false
c) sometimes true
d) never true
An object traveling through space with a constant velocity is best described as having
a) potential energy
b) no energy
c) kinetic energy
d) electrical energy
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 changes direction and travels in a circular path
b) it accelerates to the left
c) it slows to a stop
d) it continues moving at a constant speed
the sudden movement of the above plates is caused by
a) gravitational force
b) the mass of the plates
c) an unbalanced force
d) the weight of the plates
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) waning gibbous
b) waxing gibbous
c) waxing crescent
d) waning cresenct
Most stars on the HR Diagram are part of
a) white dwarfs
b) main sequence
c) supergiants
d) nebula
During which of the following processes is new land created?
a) faulting
b) subduction
c) folding
d) sea floor spreading
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) color and length of earthworms
b) temperature and moisture of soil
c) size and color of wooden boxes
d) air pressure and wind in the area
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) drought
d) tornado
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 produce different types of mating calls
c) to fight off predators better
d) to eat different types of food
Which describes one parent and uniformed offspring
a) prokaryotic
b) asexual
c) sexual
d) heterotrophic
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