Vision & Light
A student places a book in a dark room and shines a flashlight on it. How does the path of light travel for the student to see the book?
Light from the flashlight reflect off the book to the student's eyes.
Where do most earthquakes happen?
at plate boundaries
Which energy resources are renewable?
A) wind energy & natural gas
B) oil & natural gas
C) wind energy & solar energy
D) solar energy & natural gas
C) Wind energy & solar energy
A ___________ is a pattern of motion that travels away from a source.
wave
A tiny piece of material that is too small to see
Particles
How do the shells protect turtles from the sharp teeth of bigger animals?
hardness of the shell
Scientists examine the different fossils in rock layers to learn about how the area has changed over time. Where should the scientist look to figure out what the land was like the earliest (oldest rock layer)?
the bottom rock layer
A science class plans to hatch chicken eggs. They'll use a heating light to keep the eggs warm and help the eggs hatch. Students come up with various designs using light bulbs, electricity, and a Styrofoam box. Note: the beginning temperature is 20 degrees Celsius --> final temperature is 38 degrees Celsius. How does the energy transfer in the box?
light energy to heat energy
_____________ is the distance from one peak of the wave to the next peak of the wave.
Wavelength
The ability to make things move
Energy
A teacher turns off the lights in a classroom. The students cannot see their desks. The teacher turns on the lights, and the desks are visible again. How were students able to see the desks again?
Light reflects off the desks into the students' eyes, so they can see the desks.
When lights are off, there is no light moving in the classroom.
Which design choice will best protect a building during an earthquake?
make the building flexible to move with the ground
When the switch is turned on, the bulb glows. The student wants to check if adding more energy to the circuit will change the brightness of the bulb. How can the student increase the brightness of the bulb?
A) add another bulb to the circuit
B) add a second battery to the circuit
C) remove the switch
D) replace the battery with another bulb
B) add a second battery to the circuit
True or False: Amplitude is the height of the wave from the middle point.
True
light particles ________ off objects and reach our eyes
reflect
Why would a dog pull on its leash to stop and sniff the ground?
to learn about its environment
Brachiopods are ocean-dwelling organisms. Their fossils were located in present-day Kentucky. However, the nearest ocean is hundreds of miles away from Kentucky. What is the best explanation as to why these fossils were found in Kentucky?
The ocean used to cover rocks that are now dry land.
How does a hand crank generator change energy?
A) electrical to motion energy
B) electrical to sound energy
C) motion energy to light energy
D) sound energy to light energy
C) motion energy to light energy
The taller the amplitude, the _______ the sound. (louder/ quieter)
LOUDER
Fossils need __________ to form.
water
Where do sense receptors send messages to?
to the brain to process information
What process causes the formation of an ocean trench?
2 plates moving toward each other
Which 2 statements correctly describe water as a renewable or non renewable resource?
A) Water is nonrenewable; it cannot be used if it does not rain
B) Water is nonrenewable; it is frozen in glaciers & cannot be used
C) Water is renewable; it moves through the water cycle continuously
D) Water is renewable; it can be reused to create energy
E) Water is renewable; it can run out & never be replaced
C) Water is renewable; it moves through the water cycle continuously
D) Water is renewable; it can be reused to create energy
The shorter the amplitude, the _________ the sound. (louder/ quieter)
quieter
There needs to be a(n) electrical ______________ flowing in a circuit for a light bulb to turn on.
A) energy
B) transfer
C) conductor
D) current
D) current