Material that has randomly aligned dipoles - ANSWER a non-magnetic substance
Once a hypothesis has been verified and accepted it becomes a - ANSWER theory
How does the tilt of the Earth's axis cause seasons? - ANSWER A hemisphere
experiences fall and winter when that half of Earth is tilted away from the Sun. It
experiences spring and summer when that half of Earth is tilted towards the sun
If a population reaches maximum size and ceases to grow due to a limited availability of
resources, the population is - ANSWER at carrying capacity
the center of an atom is called the _________. It is composed of ________. - ANSWER
nucleus; protons and neutrons
the volume of water in a bucket is 2.5 Liters. When an irregularly shaped object with a
mass of 40 grams is completely submerged in the water, the total volume becomes 4.5
liters. What is the density of the object? - ANSWER 20 g/L
Most organic molecules have all of the following properties except - ANSWER high
solubility in water
The development of sedimentary rock includes: - ANSWER layering
cementation
compaction
does NOT involve heat
, What is typically the very first type of investigation in a new field of scientific study? -
ANSWER descriptive studies
The specific heat of ice is half that of liquid water. What does this imply? - ANSWER It
requires half as much energy to raise the temperature of a 1 kg sample of ice by 1
degree celsius
the arrangement of molecules in a liquid crystal ANSWER random in some directions
and regular in others
the technique of absolute dating ANSWER compares the amount of radioactive material
in a rock to the amount that has decayed into another element
sceintific method ANSWER series of steps to solve a problem
enzymes play a major role in the processes that keep organisms healthy and alive.
Describe enzymes - ANSWER protein molecules that serve as biological catalysts
electrolysis reaction - ANSWER a reaction driven by electricity
ocean current flow is controlled by - ANSWER wind
continents
Earth's rotation
NOT moon phase
most of the sun's energy that reaches the Earth is absorbed by. - ANSWER oceans
electrons with more energy than others are located ______ the nucleus than electrons
that have less energy - ANSWER farther from
the primary role of _______ is to decrease the number of chromosomes by half of the
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