Practice Exam 3 Flashcards
The moon completes a revolution around the earth approximately every:
(A) 28 days
Carcinogens are chemicals that cause:
(B) gene mutations
- A paramecium is:
(A) a one-celled organism
What large halogen is essential for the func- tion of the thyroid gland?
(D) iodine
The brainstem controls:
(B) most muscle movements
What element is the most abundant one in the atmosphere?
(B) nitrogen
Minerals are necessary for:
metabolic function
What’s the only metallic element commonly found as a liquid?
mercury
Which of the following isn’t a type of telescope?
(A) Newtonian (B) Copernican (C) Gregorian (D) Hershelian
(B) Copernican
A dekagram:
(B) is smaller than a kilogram
- The Aurora Borealis can be seen only in the:
(D) Northern Hemisphere
The three important properties of sound waves are:
(D) wavelength, frequency, and speed
Between what two planets can most of the asteroids in the solar system be found?
(A) Mars and Jupiter
- At room temperature, an element is a:
(D) liquid, gas, or solid
The elements hydrogen and helium com- prise what percentage of almost all matter in the Universe?
(D) 98 percent
- Compounds are created when:
atoms of two or more different ele- ments are combined
What theory suggests the Universe will come to an end when its ever-increasing rate of expansion causes all matter to fly apart?
(A) The Big Rip
- A watt measures:
(A) how much electricity is consumed
Which of the following planets, known as
gas giants have no rings?
(A) Neptune
(B) Jupiter
(C) Uranus
(D) they all have rings
(D) they all have rings
Gas particles move:
more quickly than liquid particles
Absolute zero is:
–263 degrees Celsius
- What does the term forensic mean?
(A) pertaining to law
Which of the following statements is not true?
(A) The human female chin is usually more rounded or pointed than the human male chin.
(B) The human female pelvis is usually deeper than the human male pelvis.
(C) The human male skull is usually larger than the human female skull.
(D) The human male skull has a larger brow ridge than the human female skull.
(B) The human female pelvis is usually deeper than the human male pelvis.
- A lunar eclipse occurs when:
the moon moves into the earth’s shadow
What chemical can be used to detect blood, even if it’s been wiped from a surface?
luminol
