Physical Science
What are the three states of Matter?
All living things must meet these criteria ......
Reproduce, have cell growth, require energy (food), interact with their environment.
where are the oldest fossil found?
in the deepest layer
What are the three types of rocks called?
Igneous, Sedimentary, and Metamorphic
What do you call energy from the sun?
what does the atomic number tell you about an element?
number of protons in the nucleus, determines the position on the periodic table
This scientific process is how plants take matter that is not food (light, air, water, and soil) and turn it in to matter that is food.
What is photosynthesis?
Lakes, rivers, glaciers, ground water, and polar ice caps are all examples of this.
What is fresh water around the world.
Describe a sedimentary rock.
Sedimentary rocks have different layers.
What is the breaking down of rocks?
What is Weathering?
Burning a piece of wood is an example of this type of reaction: chemical or physical.
Chemical reaction, atoms are rearranged, and the process is irreversible.
If you go far enough down the food chain, food of almost any kind of animal can be traced back to _____.
What is (Producers) plants?
Most of the Earth's water is found here, 97% to be precise.
(not to be confused with where the largest % of FRESH water is)
oceans
Describe 2 pieces of evidence that support the theory that tectonic plates move
Earthquakes, volcanic eruptions, tsunamis, sea floor spreading.
Name and draw the water cycle including at least 8 parts.
precipitation, condensation, evaporation, runoff, infiltration, accumulation, groundwater flow
What causes Ocean water to move?
Name three main differences between viruses and bacteria?
bateria are living single celled organisms, grow and divide rapidly, antiobiotics treat them
viruses are not living, need a host cell to reproduce, vaccines can prevent them
What is the hydrosphere and what % of the Earth's surface does it take up?
all the water found on, above or below the Earth's surface
71%
What is a nonrenewable resource? Give two examples.
A nonrenewable resource is a resource that cannot be replaced in our lifetime. Examples: (Fossil Fuels) Natural Gas, Coal, Oil.
Name the 5 different types of fossils
Cast, mold, persevered (crystallization, amber, unaltered), carbonization, trace
Regardless of the type of change that occurs when heating, cooling, or mixing substances, the total weight of matter is _______.
What is conserved? (stays the same)
Newly introduced species can do this to the balance of an ecosystem.
What is damage it or throw it off balance
What are estuaries?
bodies of water where river freshwater meets ocean saltwater
they are brackish
they have high biological activity
they filter pollutants
What kind of rock comes from a volcano?
What is Igneous?
how do you identify the number of neutrons in an atom?
subtract the mass number from the atomic number. mass - protons = neutrons
Mixtures may be classified as two different kinds. What are they and how are they different?
homogeneous -has same composition throughout
heterogeneous - mixture made of substances that are physically separate
What are the 3 macronutrients and two micronutrients?
Protein, Carbs, Fat
Vitamins and Minerals
Name three water quality indicators?
temperature
turbidity
ph
nitrates and phosphates (excess of these causes algae bloom)
salinity
bioindicators
What is an aquifer?
underground layer of water-bearing rock
What are are the products of photosynthesis?
What are the products of cellular respiration?
glucose and oxygen
carbon dioxide, water, energy