SC Ready Science Review 2

Front

Based on the evidence, which statement differentiates wave C from wave D? (Refer to the diagram showing waves A, B, C, and D.)

Back

It has a lower frequency and about the same amplitude.

Front

Compare the two pictures above (Before and After). What caused the dunes to change?

Back

wind and gravity

Front

Why can the man's face be seen in the dark cave even though the flashlight is pointing away from him?

Back

The light from the flashlight is reflecting off the cave walls and onto his face.

Front

Which object only requires mechanical energy to perform its main function? (Image of an iron, Image of a television, Image of a toaster, Image of a piano)

Back

Image of a piano

Front

Which type of bear has a hair coat that allows it to live in a warm environment and to eat stinging insects, such as termites, without being stung? Options: Sloth bear, Polar bear, Grizzly bear, Black bear

Back

Sloth bear

Front

Method used by scientists to detect large and dangerous tsunamis.

Back

Deep ocean buoys that measure incoming waves

Front

What will most likely happen as two tectonic plates slide next to each other?

Back

They will bump and skip off each other and form earthquakes

Front

How does a megaphone affect sound waves?

Back

It changes the direction of sound waves, allowing sound to travel greater distances.

Front

An ultrasound creates images by using high-frequency sound waves that are echoed back to a machine when they reach dense tissues or organs. This is most similar to which method used in another field?

Back

Ships use sonar to detect objects under water.

Front

Why are birds able to eat spicy peppers?

Back

They do not have taste receptors that are affected by spicy peppers