What are the basic building blocks of all living things?
Cells
In a solid, particles do not move around each other, but they do
a. change shape
b. vibrate
c. flow
d. sit completely still
Vibrate
Which of the following is a property of a mechanical wave?
a. amplitude
b. weight
c. incidence
d. color
Amplitude
Which part(s) of Earth's interior has two distinct layers?
a. crust
b. mantle
c. core
d. crust and core
Core
How does acid rain cause weathering?
a. through abrasion
b. through oxidation
c. by dissolving rock
d. by carrying rock away
By dissolving rock
Which is an example of homeostasis?
a. reproduction
b. controlling an experiment
c. growth and development
d. maintaining a steady temperature
Maintaining a steady temperature
When a liquid freezes into a solid, the particles of the substance
a. lose energy
b. gain energy
c. move faster
d. disappear
Lose energy
When a sound wave is absorbed by an object
a. it quickly gains energy
b. it quickly loses energy
c. it slowly gains energy
d. its energy does not change
It quickly loses energy
Which is Earth's thinnest layer?
a. crust
b. inner core
c. mantle
d. outer core
Crust
Which change occurs as a result of wind slowing down?
a. erosion
b. deposition
c. chemical weathering
d. mechanical weathering
Deposition
Which statement is NOT part of the cell theory?
a. cells are the basic unit of structure and function in all living things
b. animal cells are generally more complex than plant cells
c. all living things are composed of cells
d. all cells are produced from other cells
Animal cells are generally more complex than plant cells
When the kinetic energy of the particles in an object increases, the temperature of the object
a. increases
b. decreases
c. remains the same
Increases
Which type of front does not move?
a. cold
b. occluded
c. stationary
d. warm
Stationary
Which process acts on Earth's surface to break rocks into pieces?
a. compaction
b. deposition
c. erosion
d. weathering
Weathering
Plates move apart from each other at a
a. divergent boundary
b. convergent boundary
c. transform boundary
d. subduction boundary
Divergent boundary
The liver helps the circulatory system by
a. filtering blood of harmful substances
b. helping blood vessels to absorb nutrients
c. storing bile that is released into the bloodstream
d. releasing chemicals that begin to break down food in the mouth
Filtering blood of harmful substances
Which kind of materials do not conduct heat well?
a. insulators
b. conductors
c. metals
d. radiators
Insulators
The atmosphere is mostly made up of the gases _____________ and _______________
Nitrogen and oxygen
Which of the following leads most directly to the production of igneous rock?
a. formation of magma
b. cementation of rocks
c. weathering of rocks
d. deposition of sediment
Formation of magma
What is the process called when Earth's landmasses had been fused together, and then slowly broke apart?
a. continental drift
b. subduction
c. Pangea
d. divergence
Continental drift
Which of the following organs function as both a respiratory organ and an excretory organ?
a. liver
b. skin
c. kidneys
d. lungs
Lungs
Vaporization that takes place both above and below the surface is called
a. evaporation
b. boiling
c. condensation
d. precipitation
Boiling
Which term describes the boundary where two air masses meet?
a. anticyclone
b. cyclone
c. front
d. jet stream
Front
What is a step in the process of a rock changing from sedimentary to igneous?
a. crystallization
b. deposition
c. erosion
d. melting
Melting
When a plate is compressed, it can create anticlines and synclines that can become
a. mountains and valleys
b. folds and breaks
c. plateaus and canyons
d. landmasses and oceans
Mountains and valleys