Sound
Earth Science
Light
Life Science
Miscellaneous
100
The number of times a vibration occurs in a given unit of time is its _______.
Frequency.
100
What provides information about life and conditions of the past? What type of rocks is this information found in?
Fossils of organisms in sedimentary rocks
100
When light bounces off a smooth, shiny surface, it _______.
Reflects
100
What shape do plant cells tend to be?
Rectangular
100
The periodic table is a chart/list of _______.
Elements
200
Sound is amplified when it _______.
Resonates
200
When layers of sediment have been cemented and compacted, what type of rock is formed?
Sedimentary
200

Light travels as a ____________ wave. 

Transverse
200

The organelle that is the control center of the cell is known as the ________. It is found in both animal and plant cells. 

Nucleus

200
The inner most layers of the earth are composed primarily of _______ and _______.
Iron and Nickel
300
What is the frequency of a vibrating object?
Pitch
300
Plates in the earth that move apart are called _______.
Divergent boundaries
300

When light slows down and bends, it _______.

Retracts

300

The two organelles that only plant cells have. 

Cell wall and chloroplasts

300
As temperature decreases, many kinds of matter change from liquid to _______.
Solid
400
If you increase the loudness, you increase the _______.
Amplitude
400

Scientific evidence indicates that all seven continents used to be stuck together as one supercontinent called ________.

Pangea

400
What do you call an object that allows some light to pass through?
Translucent
400

Animals can be classified into these two groups. 

Vertebrates and Invertebrates

400
Most plants have special tissues to transport food and water. These are called _______.
Vascular Plants
500
What type of wave is a sound wave?
Compression
500
Name the four major layers of the earth....
Crust Mantle Inner Core Outer Core
500

What color of light has the longest wavelength?

Red 

500
Plants that do not have special tissues to transport food and water are called _______.
Nonvascular
500

Metamorphic rocks form due to ________ and _______.

Heat and Pressure

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