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
5 answers
B. as acids or bases.
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
A. a spaceship, after takeoff, flying toward Mars.
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
A. an asteroid flying through the vacuum of space.