SE #1 Review 2 Question Preview (ID: 22710)


8th Grade Semester Exam Review. TEACHERS: click here for quick copy question ID numbers.

The pigment that makes plants green is
a) Plankton
b) DNA
c) Algae
d) Chlorophyll

Which of these is returned to the atmosphere when plants transpire?
a) Oxygen
b) Carbon
c) Water
d) Nitrogen

Which of these is inhaled by animals and used in respiration?
a) Water
b) Nitrogen
c) Oxygen
d) Carbon

Which statement about a sunflower stem is false?
a) The stem grows toward the sun
b) Tissues in the stem move food made in the leaves down to the roots
c) Tissues in teh stem move water and minerals from the leaves down to the roots
d) The stem supports the leaves so that they get the most sunlight

The condition in which a substance exists, including solid, liquid or gas is the ______ of a substance
a) Volume
b) Mass
c) Temperature
d) Phase

The process by which a liquid changes to a gas is called
a) Melting
b) Condensation
c) Sublimation
d) Vaporization

The process by which a vapor becomes a liquid is called
a) Freezing
b) Deposition
c) Condensation
d) Melting

The process by which a solid changes directly to a gas is called
a) Freezing
b) Condensation
c) Sublimation
d) Deposition

The process by which a solid substance changes to a liquid is called
a) Vaporization
b) Melting
c) Condensation
d) Deposition

The process by which a liquid changes to a solid is called
a) Condensation
b) Deposition
c) Freezing
d) Vaporization

A stream cuts through soft rock to create a canyon. Which type of change has occured?
a) Chain reaction
b) Physical Change
c) Chemical change
d) Nuclear reaction

Caves form when calcium carnbonate reacts with acidic water. Which type of change occurred?
a) Physical change
b) Nuclear reaction
c) Chain reaction
d) Chemical change

Wind causes rocks to change their shape. Which type of change has occurred?
a) Nuclear reaction
b) Chain reaction
c) Chemical change
d) Physical change

Mashing bananas results in
a) an exothermic reaction
b) a chemical change
c) an endothermic reaction
d) a physical change

Melting butter results in
a) a chemical change
b) a physical change
c) an exothermic reaction
d) an endothermic reaction

Baking bread results in
a) a chemical change
b) a nuclear reaction
c) no changes
d) physical changes

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