science final

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the inference that earth's interior has an outer core and an inner core is based on studies of

earthquake wave data

hydrogen and oxygen are classified as

elements

Most of Earth's major earthquakes are caused by

faulting of rock in Earth's crust

which activity involves only a physical change?

grinding coffee beans

which property of a mineral is tested by scratching it on a glass plate?

hardness

a student added some sugar to a glass of water, but it did not dissolve quickly. what could the student do to increase the rate at which the sugar dissolves in the water?

heat the water

which change is the best example of a physical change?

ice cream melting

as water is heated, the motion of the water molecules will generally

increase

the relatively thin layer of rock at earth's surface is called the

lithosphere

the thin layer of rock on earth's surface

lithosphere

the thin layer of rock on the earth's surface is the

lithosphere

which earth layer contains convection currents that are believed to be responsible for the movement of earth's tectonic plates?

mantle

all living and nonliving material is composed of

matter

elements on the periodic table of elements are classified into categories such as

metals and nonmetals

what will form when sedimentary rock is exposed to heat and/or pressure

metamorphic rock

water (H2O) is not found on the periodic table of the elements because water is

a compound

under which conditions would a sugar cube dissolve most quickly when placed in a liter of water at room temperature?

a crushed sugar cube is added and the water is stirred

because copper is a metal, it is

a good conductor of heat

sound waves are not able to travel through

a vacuum (empty space)

A student viewing a cell with a microscope observes a cell wall, a cell membrane, and a nucleus. The presence of these structures indicates that the student is looking at a cell from a

carrot

which sequence identifies the levels of organization of body structures in a human structures in a human from the simplest to most complex.

cell, tissue, organ, organ system

The basic life functions of an organism are carried on by

cells

in which part of the plant cell does photosynthesis occur?

chloroplast

one function of the human excretory system is

moving substances to and from body cells

a student writes in a laboratory notebook: I placed a piece of iron in a beaker of water and the iron sank to the bottom of the beaker. What the student wrote in the laboratory notebook is an example of a(n)

observation

Which gas is transported by the circulatory system in humans and is used by cells during respiration to release energy stored in food?

oxygen

the spoon's broken appearance is caused by the light that is

refracted

Volcanic eruptions are caused primarily by the movement of

tectonic plates

how does the theory of plate tectonics explain the location of these fossils?

the continents were once joined together

scientists have discovered fossils of the same organisms in many different parts of the world. These fossils provide evidence that

the continents were once joined together

rocks are classified as sedimentary, metamorphic, or igneous on the basis of the

way the rocks were formed

which geologic process occurs when the acid in precipitation dissolves certain types of rock?

weathering


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