The Nature of Matter A low pH indicates that a substance is A) a base. B) an acid. C) a carbonate. D) neutral.

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