# STAAR Reporting Category 2: Question Preview (ID: 30935)

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Which best demonstrates the reflection of light?
a) Looking through the glass of a large window
b) Looking at an image formed on a shiny silver spoon
c) Looking at a lightbulb that is glowing
d) Looking at a star on a clear night

Looking through a prism, Michelle saw that light bent and separated into many colors. In which other situation would light bend?
a) When light moves through air into water
b) When light hits a wall
c) When light passes through outer space
d) When light hits a mirror

A few students paint the inside of several boxes a different color. They observe that the inside of the box painted white looks brighter than the others. What is the most likely reason this box looks brighter?
a) More light is reflected off white paint.
b) More light is refracted by white paint.
c) More white light passes through white paint.
d) More light is absorbed by white paint.

Which explanation could explain why Dylan's lower part of his body appears larger than his upper part of his body while he's standing in the pool.
a) The light rays that travel through water and then into air are refracted.
b) The light rays that travel through water and then into air are enlarged.
c) The light rays that travel through water and then into air are reflected.
d) The light rays that travel through water and then into air are reduced.

Which is NOT a fact about light?
a) Light travels in a straight line.
b) Light is a form of energy.
c) Light can be refracted.
d) Light can be destroyed.

Kassidy went fishing. The fish appeared to be closer to the surface than it really was. What causes this difference?
a) Light is reflected.
b) Light is refracted.
c) Light is focused.
d) Light is blocked.

Which property of light makes it possible to produce hand shadows?
a) Light can be refracted.
b) Light is a form of energy.
c) Light travels in a straight line.
d) Light can be separated into diffferent colors.

What type of energy is used to make turbines spin on a hydroelectric plant site?
a) Light energy
b) Thermal energy
c) Sound energy
d) Mechanical energy

What energy source for an energy-efficient house, calculator and satelite could they all have in common?
a) Light energy
b) Mechanical energy
c) Sound energy
d) Electrical energy

When a bat searches for prey at night, it makes sounds as it flies, and it uses the sounds' echoes to find its prey. When the bat flies and listens to echoes to locate prey it is using-
a) thermal energy and light energy
b) sound energy and thermal energy
c) mechanical energy and sound energy
d) light energy and mechanical energy

Which of these is NOT an example of the bicycle using mechanical energy?
a) The pedals, gears, and chain help turn the wheels.
b) The wheels turn when the bicycle moves.
c) The front wheel guides the bicycle as it moves.
d) The reflector allows the bicycle to be seen at night.

Which of the following best describes how an objective lens of a telescope helps a meterologist observe the moon
a) The objective lens produces light.
b) The objective lens blocks light.
c) The objective lens reflects light.
d) The objective lens refracts light.

Which is the most logical procedure in a lab experiment?
a) Drop the same marble from different heights into the same pan of flour.
b) Drop marbles of different masses from different heights into different pans of flour.
c) Drop marbles of different sizes from the same height into different pans of flour.
d) Drop a single marble one time into a pan of flour.

Which peice of equipment is used appropriately?
a) A graduated cyclinder to measure mass.
b) A beaker to collect spheres.
c) A stopwatch to measure length.
d) A meterstick to measure height.

Which is the most likely testable question?
a) How do blocks of different sizes react to force?
b) How do different surfaces affect the amount of force needed to move a block?
c) How do blocks affect spring scales?
d) How does the mass of a block change when it is pulled across a desk?

What should students do to determine whether the force of the air from a balloon is enough to push a car 40 centimeters across the same floor in repeated trials?
a) Test the car several times using an identical balloon filled with different amounts of air.
b) Test the car several times using different-sized balloons filled with the same amount of air.
c) Test the car several times using an identical balloon filled with the same amount of air
d) Test the car several times using the different-sized balloons filled with different amounts of air

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