The Air Up There
Water, Water Everywhere
The Hydrosphere
The Ground Beneath Us
Let There Be Light!
100
14.7 lbs/square inch
What is atmospheric pressure?
100
Vinegar's active ingredient is acetic acid, C2H4O2. How many of each atom are present in a molecule of acetic acid?
What is 2 atoms of Carbon, 4 atoms of Hydrogen, and 2 atoms of Oxygen?
100
The largest source of liquid freshwater.
What is groundwater?
100
The three types of rock.
What are sedimentary rock, igneous rock, and metamorphic rock?
100
A transverse wave composed of an oscillating electric field and a magnetic field that oscillates perpendicular to the electric field.
What is an electromagnetic wave?
200
An instrument used to measure atmospheric pressure.
What is a barometer?
200
A weak bond that forms between the hydrogen and oxygen atoms between two water molecules.
What is a hydrogen bond?
200
The difference between evaporation and condensation.
What is condensation involves a gas changing into a liquid, while evaporation involves a liquid changing into a gas?
200
A hypothetical supercontinent that may have existed in the past.
What is Pangaea?
200
A main difference between how the lens in a camera works versus the lens in a human eye.
What is the lens in a camera adjust its focus by moving forward or backward in a tube, but the lens in a human eye actually changes shape?
300
Name three layers of the earth's atmosphere.
What are Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere?
300
The difference between polar and nonpolar molecules.
What is polar molecules have slight positive and negative charges, while nonpolar molecules do not have an overall charge?
300
Evaporation and condensation of a mixture to separate out the mixture's individual components.
What is distillation?
300
This imaginary line marks the boundary between earth's crust and the beginning of the earth's mantle.
What is the Mohorovicic Discontinuity?
300
Light hits a mirror, making an angle of 15 degrees relative to a line drawn perpendicular to the mirror's surface. Give the angle the reflected light makes with the same line.
What is 15 degrees?
400
The layer of the atmosphere in which supersonic jets fly.
What is the stratosphere?
400
When making a solution, you use a ___________ to dissolve a ___________.
What is solvent and solute?
400
Water that was originally in a plant ends up in a cloud. What two processes of the hydrologic cycle caused it to be transferred in that way?
What are Transpiration and condensation?
400
This occurs when tectonic plates collide. One can slide under the other, generally forming a trench with mountains on one side.
What is plate subduction?
400
Put these types of electromagnetic waves in order from shortest wavelength to longest wavelength:
visible light, television waves, gamma rays, x-rays, microwaves
What is gamma rays, x-rays, visible light, microwaves, television waves?
500
A scientist has two vials of ammonia gas. She tells you that in the first vial, the gas molecules are traveling with an average speed of 1,000 miles per hour. In the second vial, they are traveling with an average speed of 1,300 miles per hour. Name the vial that contains the gas with the higher temperature.
What is the second vial?
500
Give a real-life example of the effects of hydrogen bonding.
What is surface tension and water being a liquid at room temperature?
500
If a lake is completely isolated from all rivers and streams so that the only way it could get rid of water was by evaporation, would it most likely be a freshwater or saltwater source?
What is a saltwater source?
500
The theory that when two masses of rock have a fault in between them and forces are pushing the masses relative to each other, the rock masses can get caught up on one another and bend. Eventually, the rock masses break free of each other, and go back to their normal shape.
What is elastic rebound theory?
500
Explain the difference between the additive and subtractive primary colors.
What is the additive primary colors are used for projected light (like a TV) and combine to make white light, and the subtractive primary colors are used for paints and dyes and combine to make black?