Describing Matter
the basic and smallest particles that matter is made
what is an atom
State a difference between mass and weight.
What is mass remains constant.
What happens to an object's mass on the moon?
What is it remains constant.
Which of the following is not a physical change?
water freezing, sugar dissolving, silver tarnishing
What is silver tarnishing.
3 methods of separating mixtures.
What is evaporation, distillation, and magnetic attraction.
a substance that can not be broken down
what is an element
To find the density of an irregular object you use...
What is water dispacement.
An object with a greater density than water (>1 g/ml) will...
What is sink.
Which of the following is not a chemical change?
iron rusting, food coloring dissolving in water, wood burning
Food coloring dissolving in water.
H2O
CO2
NaCl
What are examples of compounds?
is a group of two or more atoms held together by chemical bond
what is a molecule
The amount of matter in an object is a measure of its...
What is mass.
What is D=M/V.
Only the form or appearance of matter is altered during which type of change?
What is a physical change.
The energy of motion of the particles of matter. often describes as how cold or how hot something is
What is temperature.
guacamole is an example of what type of mixture
what is heterogeneous mixture
if you have a cylinder with 40mL of water and put a rock in it and the water rise to 53 mL. what is the volume of the rock?
What is 13mL
What is the SI unit for volume? (both please!)
What is ml or cm3
New substances are produced in which type of change?
What is chemical.
a single kind of matter that is pure; it always has a specific composition or make-up.
What is a substance.
soy sauce is an example of what type of mixture
what is homogeneous mixture
the measure of the force of gravity on you
What is weight
A balloon filled with helium rises higher than one filled with air. Which has a greater density, air or helium?
What is air?
In a physical or chemical change, matter is neither created nor destroyed.
What is conservation of mass.
What is 6000 m3