36 questions
Two or more materials that combine chemically form a(n) _____________.
mixture
compound
liquid
These are found on the Periodic Table.
elements
mixtures
compounds
Examples are diamonds (C) and Uranium (U)
elements
mixtures
compounds
Examples are water (H2O) and carbon dioxide (CO2).
elements
mixtures
compounds
When you do many trials during an experiment then it is called
Variables
Test
Repetition
Having an experiment repeated by others is called ?
Repetition
Replication
Experiment
What is a graph?
A visual representation of data
A written representation of data
A type of animal with a long neck
This method is used to separate metals from non metals.
use of magnet
physical manipulation
sieving
chromatography
This method is used in separating soluble solid from a liquid such as salt from water.
evaporation
distillation
decantation
filtration
You can use an evaporating dish
Which of of these mixtures could be separated by filtration?
sugar and milk
sand and water
milk and water
sugar and water
A combination of substances that dissolve into one another--they are evenly mixed so that individual parts cannot be seen or separated.
solutions
Heterogenous mixtures
observations
________ is the ability to dissolve in water.
Conductivity
Magnetism
Solubility
Reflectivity