Praxis Exam Science (5005)-Form 2
Which of the following is a chemical change?
A. Burning wood
B. Melting butter
C. Breaking Glass
D. Tearing paper - answer Burning wood
The burning of wood involves a chemical reaction between wood and oxygen that
produces substances such as carbon dioxide and water vapor.
The magnitude of which of the following can be measured using the Richter scale?
A. Tornadoes
B. Hurricanes
C. Tsunamis
D. Earthquakes - answerEarthquakes
The Richter scale is used to express the magnitude of an earthquake based on
measurements of seismic waves.
Which of the following characteristics is (are) unique to mammals?
A. A bony endoskeleton
B. Milk-producing glands
C. A vertebral column
D. Circulating blood cells - answerMilk-producing glands
Milk-producing glands are a unique characteristic of mammals.
A maritime air mass is an air mass that forms over
A. an equatorial desert
B. tall mountains
C. a large body of water
D. the South Pole - answerA Large body of water
Maritime air masses are air masses that form over large bodies of water, such as seas
and oceans.
Which TWO of the following objects are strongly attracted to magnets?
, Rubber band
Iron nail
Steel safety pin
Plastic paper clip - answerIron nail and Steel safety pin
Iron and steel are materials that are strongly attracted to magnets.
Which of the following is generally thought to be a contributing factor to obesity?
A. A sedentary lifestyle
B. Restricting fat in the diet
C. A sensible diet
D. Regular exercise - answerA sedentary lifestyle
Compared with a more active lifestyle, a sedentary lifestyle usually leads to the burning
of fewer calories and an increase in fat storage.
After a person completes an experiment and collects the data in a scientific
investigation, which of the following is the next logical step?
A. Forming a hypothesis
B. Analyzing the results
C. Writing a paper
D. Deciding on a variable - answerAnalyzing the results
n which of the following organ systems are the brain and spinal cord found?
A. Skeletal
B. Muscular
C. Nervous
D. Endocrine - answerNervous
The brain and spinal cord are part of the nervous system.
Which of the following scientists is best known for research with electricity?
A. Louis Pasteur
B. Thomas Edison
C. Marie Curie
D. Gregor Mendel - answerThomas Edison
Thomas Edison is credited with many inventions associated with electricity, such as the
electric lightbulb and a system for large-scale generation and distribution of electric
power.
Which of the following is a chemical change?
A. Burning wood
B. Melting butter
C. Breaking Glass
D. Tearing paper - answer Burning wood
The burning of wood involves a chemical reaction between wood and oxygen that
produces substances such as carbon dioxide and water vapor.
The magnitude of which of the following can be measured using the Richter scale?
A. Tornadoes
B. Hurricanes
C. Tsunamis
D. Earthquakes - answerEarthquakes
The Richter scale is used to express the magnitude of an earthquake based on
measurements of seismic waves.
Which of the following characteristics is (are) unique to mammals?
A. A bony endoskeleton
B. Milk-producing glands
C. A vertebral column
D. Circulating blood cells - answerMilk-producing glands
Milk-producing glands are a unique characteristic of mammals.
A maritime air mass is an air mass that forms over
A. an equatorial desert
B. tall mountains
C. a large body of water
D. the South Pole - answerA Large body of water
Maritime air masses are air masses that form over large bodies of water, such as seas
and oceans.
Which TWO of the following objects are strongly attracted to magnets?
, Rubber band
Iron nail
Steel safety pin
Plastic paper clip - answerIron nail and Steel safety pin
Iron and steel are materials that are strongly attracted to magnets.
Which of the following is generally thought to be a contributing factor to obesity?
A. A sedentary lifestyle
B. Restricting fat in the diet
C. A sensible diet
D. Regular exercise - answerA sedentary lifestyle
Compared with a more active lifestyle, a sedentary lifestyle usually leads to the burning
of fewer calories and an increase in fat storage.
After a person completes an experiment and collects the data in a scientific
investigation, which of the following is the next logical step?
A. Forming a hypothesis
B. Analyzing the results
C. Writing a paper
D. Deciding on a variable - answerAnalyzing the results
n which of the following organ systems are the brain and spinal cord found?
A. Skeletal
B. Muscular
C. Nervous
D. Endocrine - answerNervous
The brain and spinal cord are part of the nervous system.
Which of the following scientists is best known for research with electricity?
A. Louis Pasteur
B. Thomas Edison
C. Marie Curie
D. Gregor Mendel - answerThomas Edison
Thomas Edison is credited with many inventions associated with electricity, such as the
electric lightbulb and a system for large-scale generation and distribution of electric
power.
