A balloon filled with air does not rise as high as a balloon filled with helium. What does this tell you about the density of helium?
Helium is less dense than air.
One liter is equal to ______ milliliters
1,000
Which of the following in not a physical change?
glass breaking
iron rusting
ice melting
sugar dissolving
iron rusting
New substances are produced by a _____________ change.
chemical
The amount of matter in an object is a measure of its
mass
An object's weight is less on the moon than on Earth. On the moon, the object's mass ___________.
remains the same
Which of the following is not a chemical change?
leaves turning color
fruit ripening
silver tarnishing
food coloring dissolving in water
food coloring dissolving in water
_________________ is related to the energy of motion of the particles of matter.
temperature
The formula for calculating density is
mass divided by volume
An object that floats in water has a density _____ than 1 g/mL
less
Butter is melted in a pan. Which of the following is true about the change:
physical change that releases energy
chemical change that absorbs energy
physical change that absorbs energy
chemical change for which there is no change in energy
physical change that absorbs energy
The law of ______________ of mass states that in any physical or chemical change, matter is neither created nor destroyed.
conservation
Which of the following statements about the mass of an object is correct:
mass changes with location
mass remains constant
mass changes with altitude
mass change with gravity
mass remains constant
Four measurable properties of matter are mass, weight, volume, and __________
density
the energy stored in the bonds between atoms is
chemical energy
_______________ energy naturally flows from warmer matter to cooler matter.
thermal
The SI unit of mass is the
The SI unit of volume is the
cubic meter
A _____________ change releases energy
exothermic
The form or appearance of matter is altered during a ______________ change.
physical