Post on 03-Jan-2016
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The Nature of Matter
A low pH indicates that a substance
is
A) a base.
B) an acid.
C) a carbonate.
D) neutral.
In order to identify differences between
substances we look at
A)density
B) texture
C) reaction to temperature
D) all of the above
A robot explores a volcanic region and brings back two samples of rock. The rocks are different in size, but have
the same density, color, and texture. Which of the following statements is
most likely true?____________________________________
A)The rocks are from two different time periods.
B) The rocks are from the same location.
C) The rocks are made of the same type of minerals.
D) The rocks are from two different volcanoes.
John studied four different solids for a science project. He measured the mass and volume of each and recorded the
data in the following table.
What is the difference in density between the least and the greatest density of the
solids listed in the table?
A) 8.3
B) 5.2
C) 11.4
D) 16.6
Density equals
A) mass times acceleration (m x a)
B) mass divided by volume (m / v)
C) mass times volume (m x v)
D) mass divided by acceleration (m / a)
In which state of matter would you expect to find water at
108°C on Earth?
A) liquid
B) gas
C) plasma
D) solid
In which state of matter are the particles likely to be
closest together?
A) gas
B) liquid
C) plasma
D) solid
On which points on the graph is water increasing in temperature?
A) F and G
B) G and K
C) F, G, H, and K
D) F and H
On which points on the graph is the water changing state?
A) F and G
B) G and K
C) F and H
D) F, G, H, and K
Which of these is likely to have matter in a plasma state?
A) incandescent light
B) lightning
C) microwave oven
D) steam
Which of the following statements is NOT true?
A) Gas A had the greatest increase in
volume.
B) Gas C had the greatest increase in
volume.
C) Gas B has less volume as it cools.
D) The gases all increased in
volume.
The amount of energy needed to change a substance from the solid phase to the liquid phase is the . . .
A) heat of vaporization.
B) melting point.
C) kinetic energy.
D) heat of fusion.
Which of the liquids in the picture is the most dense?
A) RedB) WhiteC) BlueD) Gold
Art by David Bamundo
The white liquid is water, with a density of 1gm/cm3. Which of the following could
be the density of the blue liquid?
A) 1.9 gm/cm3
B) 3.0 gm/cm3
C) 0.7 gm/cm3
D) 1.03 gm/cm3
Art by David Bamundo
30 cm3 of an unknown substance has a mass of 60 grams. What is the density of
the unknown substance?
A) 0.5 g/cm3
B) 27 g/cm3
C) 2.0 g/cm3
D) 270 g/cm3
What is the volume of water in the graduated
cylinder below?
A) 6.3 ml
B) 6.6 ml
C) 7.5 ml
D) 6.0 ml
What is the mass represented on the triple beam balance below?
A. 733.3 gm
B. 373.4 gm
C. 373.4 oz
D. 773.3 oz
The temperatures of four samples of water are measured to be
14, 27, 32, and 7 degrees Celsius.
Which sample has the greatest kinetic energy?
A)14 degree Celsius sample
B) 27 degree Celsius sample
C) 32 degree Celsius sample
D) 7 degree Celsius sample
Which of the following has the most molecular motion?
A) ice
B) water with ice added
C) liquid water
D) steam
According to the following table, which of the following is NOT
true? A) A liquid will change
to a solid at its freezing point.
B) A substance in gas phase always has more kinetic energy than the same substance in a solid phase.
C) As temperature increases, a substance will pass from a gas, to a liquid, to a solid.
D) Liquid water has a lower temperature than steam.
Which of the following objects is transparent?
A) a cement wallB) a windshieldC) waxed paper
D) the moon
Which of the following statements is true?
A: a transparent object allows only white light to pass through
itB: a translucent object allows
white light to pass through but diffuses it to keep images from being clearly seen through it
C: you can clearly see through an opaque object
D: a transparent object does not allow white light to pass
through it
A piece of printer paper is
A) transparentB) translucent
C) opaqueD) reflective
Michaela is building a new home. She enjoys having a room filled
with sunlight, but wants to prevent people from seeing into
her office which faces a busy street. Which of the following
would be a good option for Michaela?
A) Do not place any windows in the walls of her office.
B) Use glass that is translucent for the office windows.
C) Have lots of transparent windows.D) Use opaque materials instead of
window glass.
Which of the following liquids is opaque?
A) waterB) milk
C) lemonadeD) tea