Units
m3 is the unit for what concept?
Volume- solids
1.4 km = ???? m
1,400 m
A triple beam balance measures...
Mass, or amount of substance in an object
The equation for density is...
p = m/V
What is the closest star to the Earth?
1 km = ????? m
1000 m B)
How many kilometers are in 1 mile?
1.609 km
TRUE or FALSE
You can use water displacement to determine the volume of an object.
An ice cube has a density of 0.93 g/cm3. If the volume is 2 cm3, what is the mass?
1.86 g
If mass is the amount of matter in an object, weight is...
Weight is how gravity acts on that mass, and can vary
The preferred unit of density for liquids and gas is...
grams per milliliter (g/mL)
Convert 3.9 miles to km
6.3 km
Can rulers be used to determine the volume of a wooden block? How?
Yes, by measuring the length, width, and height.
A wooden block has sides all of length 3 m. If it has a mass of 13 kg, what is the density?
117 km/m3
Can energy be created or destroyed?
NO, only transferred
We like density for solids in terms of...
kg/m3
How many times can 1 centimeter fit in 1 meter?
100!
What is our preferred measurement system?
SI units
A marble displaces water 4 mL. If it has a mass of 3 g, what is the density in g/cm3?
0.75 g/cm3
What is the chemical formula for water?
H2O
intensity of light
Convert 1 hectogram into ounces
3.5 oz
Which of the following is not an SI base unit?
a) kilometers
b) seconds
c) Kelvin
A) kilometers, the base unit is meters
What is the volume of a penguin with mass 30 kg and a density of 47 kg/m3?
Which is the best subject?
A) Physics
B) Biology
C) Chemistry
TRICK QUESTION! All science is great!