6 Week Test Review: Question Preview (ID: 21166)

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Another term for technology is
a) inference.
b) control.
c) experiment.
d) applied science.

A testable prediction about a possible solution to a problem is called
a) an experiment.
b) a conclusion.
c) variable.
d) a hypothesis.

The process of gathering information through the senses is called
a) observation.
b) inferring.
c) hypothesizing.
d) analyzing.

A factor that is manipulated in an experiment to change the dependent variable is the
a) control.
b) independent variable.
c) constant.
d) hypothesis.

The process by which a liquid changes to a gas is called
a) condensation.
b) sublimation.
c) vaporization.
d) melting.

The temperature of a liquid, the height of a plant, or an observation that one object is smaller than another are all examples of
a) data.
b) experiments.
c) inferences.
d) hypotheses.

Which is a more complete model of feeding relationships?
a) Food chain
b) Protein building
c) Food web
d) Food map

Which of the following is NOT a producer?
a) Tulip
b) Honeybee
c) Grass
d) Pine tree

Nitrogen is used by
a) plants.
b) animals.
c) both plants and animals.
d) neither plants nor animals.

As you move from level to level in an energy pyramid, energy
a) does not affect the kinetic energy of the molecules of the substance.
b) does not result in an energy change.
c) requires energy.
d) releases energy.

Which of the following is NOT a possible sign of a physical change?
a) the release of energy.
b) a change in color.
c) a change in volume.
d) a change in appearance

The ability of a pond to freeze over in winter is a
a) physical change.
b) chemical change.
c) physical property.
d) chemical property.

The measurement of an object's mass is a
a) physical change.
b) physical property.
c) chemical change.
d) chemical property.

Carbon ____ through the carbon cycle.
a) follows various paths
b) follows a single path
c) increases in quantity
d) decreases in quantity

Which of the following is NOT a possible sign of a chemical change?
a) change in color
b) release of a gas
c) change of state
d) release of energy

Three examples of physical change are
a) applying lipstick, making lemonade and baking bread.
b) melting ice, mowing the lawn and carving a statue.
c) boiling water, a nail rusting and a melting candle.
d) a pond freezing, breaking glass and a burning candle.

When a chunk of dry ice is at room temperature, a cloud of carbon dioxide vapor forms. The carbon dioxide is changing from a
a) liquid to plasma.
b) solid to a gas.
c) liquid to a gas.
d) solid to a liquid.

The process that releases energy without using oxygen is
a) fermentation.
b) osmosis.
c) respiration.
d) photosynthesis.

The process of sublimation
a) releases energy.
b) does not result in an energy change.
c) does not affect the kinetic energy of the molecules of the substance.
d) requires energy.

One atom of sulfur can react with exactly three atoms of oxygen to produce a molecule of sulfur trioxide. How many atoms are there in one molecule of sulfur trioxide?
a) 1 atom
b) 2 atoms
c) 3 atoms
d) 4 atoms

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