Mixed Bag
Density is a ______________ property?
physical
The amount of matter in a given space.
density
What is the name of the scale that measures the acidity and basicity of a solution?
pH scale
If an object caused the water level to move from 2 mL to 5 mL, what is the object's volume?
3mL
Hurricanes only develop over
warm water
NaHCO3 has how many different elements?
4
2g/cm3
A solution with a pH of 9 is a(n)
base
What is the volume of a rectangular prism that has a length of 2 cm, a wicth of 2cm and a height of 3 cm?
12 cm3
Where are the smallest bones in the human body?
middle ear (malleus, incus, and stapes)
In what type of matter are the atoms most tightly packed?
solid
An object displaces 3 mL of water and has a mass of 30grams. What is the object's density?
10 g/mL
A solution with a pH of 7 is _______
neutral
What is the volume of a cube that has sides measuring 3cm X 3cm X 3cm?
27 cm3
The San Andreas fault is what type of fault?
strike-slip or transform
A substance that can't be broken down into a simpler substance.
element
4 g/mL
A solution has a pH value of 2.6, how is this substance specifically described?
a strong acid
An object is placed in a container, the level rises from 30mL to 45mL. What was the volume of the object?
15mL
What is the strongest animal on Earth?
dung beetle
General name for a change from a liquid to a gas
vaporization
3 g/mL
If a solution had a pH of 11 and water is added to it, what will happen to the pH of the solution?
The pH will decrease causing it to be a weaker base.
A regular object has sides that measure 3cm X 2cm X 2cm. How much will it raise the water level if it's added to a beaker? (1 cm3 = 1 mL)
12mL
How long does it take for light to travel from the Sun to the Earth?
8 minutes 20 seconds