Question
How do chemists classify substances?
A.
as reactive or inert
B.
as acids or bases
C.
as spades or diamonds
D.
as nuclear or atomic
A.
as reactive or inert
B.
as acids or bases
C.
as spades or diamonds
D.
as nuclear or atomic
Answers
Answer
What example BEST demonstrates acceleration?
A.
a spaceship, after takeoff, flying toward Mars
B.
a bullet slowing down the further it travels
C.
a satellite orbiting the earth
D.
a lily pad floating on a lake
A.
a spaceship, after takeoff, flying toward Mars
B.
a bullet slowing down the further it travels
C.
a satellite orbiting the earth
D.
a lily pad floating on a lake
Answer
What is an example of inertia?
A.
an asteroid flying through the vacuum of space
B.
a bullet striking a hard surface
C.
a plane taking off from the runway
D.
catching a softball in a catcher’s mitt
A.
an asteroid flying through the vacuum of space
B.
a bullet striking a hard surface
C.
a plane taking off from the runway
D.
catching a softball in a catcher’s mitt
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