GED Science Practice Questions With Answers
Rated A+
An alpha particle is composed of two protons and _______ neutrons.
ANSWER: two
(An alpha particle is also a helium nucleus.)
10 inches is equivalent to _____ cm.
ANSWER: 25.4 (1 inch is 2.54 cm)
When a moving charged particle is placed in a magnetic field, its direction will _____.
ANSWER: change (The charge will feel a force, known as the Lorentz force, which will
cause the particle to deviate.)
A _______ bond is formed when atoms share electron pairs.
ANSWER: covalent
Microtubules are found in a cell's _____.
ANSWER: cytoskeleton (Microtubules help maintain the cell's structure and are
involved in many cellular processes.)
Organic compounds always contain ____.
ANSWER: Carbon
Vitamins B and C are ____ soluble vitamins.
ANSWER: water (These vitamins can be easily excreted through the urinary system.)
The invisible, hypothetical matter that makes up most of the universe is known as
____ matter.
Rated A+
An alpha particle is composed of two protons and _______ neutrons.
ANSWER: two
(An alpha particle is also a helium nucleus.)
10 inches is equivalent to _____ cm.
ANSWER: 25.4 (1 inch is 2.54 cm)
When a moving charged particle is placed in a magnetic field, its direction will _____.
ANSWER: change (The charge will feel a force, known as the Lorentz force, which will
cause the particle to deviate.)
A _______ bond is formed when atoms share electron pairs.
ANSWER: covalent
Microtubules are found in a cell's _____.
ANSWER: cytoskeleton (Microtubules help maintain the cell's structure and are
involved in many cellular processes.)
Organic compounds always contain ____.
ANSWER: Carbon
Vitamins B and C are ____ soluble vitamins.
ANSWER: water (These vitamins can be easily excreted through the urinary system.)
The invisible, hypothetical matter that makes up most of the universe is known as
____ matter.