A neutral atom becomes a positive ion when it loses one or more
Answer the question by selecting the correct response.
A.
electrons
B.
neutrons
C.
protons
D.
nuclei - ✔✔✔-A. Electrons
a neutral atom becomes a positive ion when it loses one or more electrons which allows the ion
have more positive charges than negative
A teacher rubs an inflated balloon with a wool cloth and then holds the balloon over bits of
paper that are lying on a table. The students in the class watch as the bits of paper rise from the
table toward the balloon. Which of the following hypotheses is best supported by the observed
interaction between the balloon and the bits of paper?
Answer the question by selecting the correct response.
A.
The balloon contains helium.
B.
The balloon is unaffected by gravity.
C.
The balloon has an electrostatic charge.
D.
The balloon weighs more than the bits of paper do. - ✔✔✔-C. The balloon has an electrostatic
charge
,PRAXIS 5005 Form 3 Exam with Questions and Answers – 100% Solved
An animal is found to have the following characteristics: It has a backbone and soft, moist skin
that is covered by a slippery layer of mucus. It goes through complete metamorphosis in its life
cycle, and it lives part of its life in water and part of its life on land. To which of the following
groups does the animal most likely belong?
Answer the question by selecting the correct response.
A.
Amphibians
B.
Insects
C.
Mammals
D.
Reptiles - ✔✔✔-A. Amphibians
The characteristics presented are typical of frogs. Frogs belong to the class Amphibia, which also
includes toads and salamanders.
An object is moving in a straight line at a constant speed. What will happen if a constant force is
then applied to the object in the same direction in which the object is moving?
Answer the question by selecting the correct response.
A.
The object will stop moving.
B.
The object will continue moving in the same direction but will slow down.
C.
The object will continue moving in the same direction but will speed up.
D.
, PRAXIS 5005 Form 3 Exam with Questions and Answers – 100% Solved
The object will move in the opposite direction but at the same speed as before. - ✔✔✔-C. The
object will continue moving in the same direction but will speed up
As a rock begins tumbling down a hillside, most of its gravitational potential energy is converted
into
Answer the question by selecting the correct response.
A.
kinetic energy
B.
thermal energy
C.
chemical energy
D.
nuclear energy - ✔✔✔-A. Kinetic Energy (energy of motion)
As part of a unit on plate tectonics, students use various materials to construct physical models
of Earth's layered structure. The students will use the models to explore how the separate
plates of the lithosphere, Earth's solid outer layer, move over the asthenosphere, the partially
molten upper portion of Earth's mantle, over geologic time. Based on the description provided,
which of the following materials would best represent the asthenosphere?
Answer the question by selecting the correct response.
A.
Paper that is thin, delicate, and easily punctured
B.
A solid wood block that has a rough and uneven surface
C.
Soft wax that can bend or stretch without breaking