Scientific Investigation
The variable that the experimenter changes in order to test their hypothesis is known as this.
independent variable
Which layer of the earth is the thinnest?
The crust
What are the three ocean zones called?
Sunlight, Twilight, Midnight
Light travels in _________ waves.
transverse
Plants are classified into which two categories?
vascular and nonvascular
Data describing the quality of an object such as color, texture, and shape is known as this.
Qualitative data
Alfred Wegner came up with a theory that the Earth's plates were once all connected together. This theory is called _____.
The Theory of Continental Drift
The geographic feature where the continent ends and the ocean floor begins.
The continental rise
When light completely passes through an object, that object is considered _______.
transparent
Animals such an worms, jellyfish, and squid can be classified as _________.
invertebrates
The variables that remain the same throughout the experiment are known as this
constants
Susan observed a rock that had fossils from ocean animals. Which type of rock was Susan observing?
Sedimentary
The surface current that travels up the eastern United States and across the Atlantic Ocean to Europe is called _________.
The Gulf Stream
When a wavelength is short, that means frequency is (increased or decreased) ?
increased
The organelle responsible for holding water, nutrients, and waste is called __________.
Vacuole
An "if...then..." statement that you make prior to an experiment is known as this
hypothesis
The process by which water gets into the cracks of rocks, freezes, and break the rock is called _____.
weathering
The arrows in an ocean food web represent _____.
The flow of energy
Sound needs ________ in order to travel
matter
What do you call traits that allow organisms to survive and reproduce in a certain environment?
adaptations
The variable that is measured after the experiment and reveals the results of changing the independent variable is know as this
dependent variable
Two tectonic plates that move away from each other causing magma to push up, forming the mid-ocean ridge. This plate boundary is called ________.
Divergent
What causes deep ocean currents? (two things)
Changes in ocean temperature and salinity
When light passes through a prism, it __________ revealing the colors of the visible light spectrum.
refracts
Which two organelles do plant cells have but animal cells do not?
chloroplasts and cell wall