cell division that produces reproductive cells in sexually reproducing organisms
What is Meiosis ?
100
In the periodic table of the elements, elements are arranged in a series of rows (or periods) so that those with similar properties appear in vertical columns.
What is Periods(rows) ?
100
Tides are the rise and fall of sea levels caused by the combined effects of the rotation of the Earth and the gravitational forces exerted by the Moon and the Sun. The tides occur with a period of approximately 12 and a half hours and are influenced by the shape of the near-shore bottom.
What is Tides ?
100
underground water that is held in the soil and in pervious rocks
What is Ground Water ?
100
a severe tropical cyclone usually with heavy rains and winds moving a 73-136 knots (12 on the Beaufort scale)
What is Hurricane ?
200
cell division in which the nucleus divides into nuclei containing the same number of chromosomes.
What is Mitosis ?
200
violent or severe weather (viewed as caused by the action of the four elements); "they felt the full fury of the elements"
What is Elements ?
200
Earth's rotation is the rotation of the solid Earth around its own axis. The Earth rotates towards the east.
What is Rotation ?
200
The water cycle, also known as the hydrologic cycle, describes the continuous movement of water on, above and below the surface of the Earth.
What is Water Cycle ?
200
a cooling breeze from the sea (during the daytime)
What is Sea Breeze ?
300
Anagenesis, also known as "phyletic change," is the evolution of species involving an entire population rather than a branching event
What is Gradual Change=Evolution ?
300
A molecule is formed when two or more atoms join together chemically. A compound is a molecule that contains at least two different elements. All compounds are molecules but not all molecules are compounds
What is Compound ?
300
Gravity is a force of attraction that exists between any two masses, any two bodies, any two particles. Gravity is not just the attraction between objects.
What is Gravity ?
300
wetness in the atmosphere
What is Humidity ?
300
a localized and violently destructive windstorm occurring over land characterized by a funnel-shaped cloud extending toward the ground
crack: a purified and potent form of cocaine that is smoked rather than snorted; highly addictive
What is Tornado ?
400
An inherited trait is a characteristic passed from the male and female parents to the offspring or child through genes.
What is Inherited Traits ?
400
the amount per unit size
What is Denisty ?
400
a drastic and far-reaching change in ways of thinking and behaving; "the industrial revolution was also a cultural revolution"
What is Revolution ?
400
Evaporation is a type of vaporization of a liquid, that occur only on the surface of a liquid. The other type of vaporization is boiling.
What is Evaporation ?
400
an instrument that measures atmospheric pressure
What is Barometer ?
500
a proposal intended to explain certain facts or observations
What is Hypothesis ?
500
chemical process: (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved
What is Chemical Change ?
500
inactiveness: a disposition to remain inactive or inert; "he had to overcome his inertia and get back to work"
What is Inertia ?
500
the change in matter of a substance to a denser phase, such as a gas (or vapor) to a liquid.
What is Condensation ?
500
A sea-breeze (or onshore breeze) is a wind from the sea that develops over land near coasts. It is formed by increasing temperature differences.