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Biology
Chemistry
Physics
Earth Science
Potpourri
100
What long, tail-like feature of some cells allows them to move around?
a flagellum
100
What is formed when two or more elements are combined?
A compound.
100
How many laws of motion are attributed to Newton?
Three.
100
The top layer of the Earth is known as what?
The crust.
100
What is the term for an object that is built to scale to represent another, often larger object?
a model
200
What is the name of the plant cell organelle where photosynthesis occurs?
A chloroplast.
200
What can be in the state of a solid, liquid, gas, or plasma?
Matter.
200
When two objects rub together, the resistance against each other is called ______.
friction
200
The motion of an object moving around another object is known as _______.
revolution.
200
What is the term for being able to soak up or take in nutrients or chemicals?
Absorb.
300
A ______ gene is not expressed as a trait in an individual unless two such genes are inherited.
recessive
300
An atomic nucleus is composed of what two particles?
protons and neutrons
300
A car's speed is increasing while traveling down a highway. What is the term for the change in the car's speed?
Acceleration.
300
The mesosphere and troposphere are two parts of what feature of Earth?
the atmosphere
300
What divided by volume is equal to density?
mass
400
Glucose is the name of the sugar that is produced in what process in plants?
Photosynthesis.
400
Examples of this type of reaction are the browning of a sliced apple or the rusting of iron.
What is oxidation?
400
What is the term for the height of a wave.
Amplitude.
400
What is the name of the molten rock material that is underneath Earth's surface and forms igneous rock when it is cooled?
Magma.
400
What is the SI unit of work or energy?
A Joule.
500
What organ of single celled creatures is used as a detector of light?
an eyespot
500
True or False. An element can be broken down into two simpler substances with unique characteristics.
False.
500
When discussing the ______ of a car, it is important to not only know that it is traveling at 55 mph, but also what direction it is traveling in.
velocity
500
What do we use to describe the properties of radiation and waves such as light waves and x-rays?
the electromagnetic spectrum
500
What is the term for a set of statements or principles devised to explain a group of facts or phenomena?
a theory