1
What occurs when some particles at the surface of a liquid start moving so fast that they break free and become a gas.
evaporation
What are too small to be seen?
particles
Should the bars on a bar graph be colored in?
Should the bars touch on a bar graph?
What do scientists call an answer to a question?
a claim
When water is a gas, what is it called?
water vapor
Which solids melted when heated?
sugar and alum
What senses do we use in Miss Barbieri's Science Class?
sight, smell, touch, hearing
When a solid can't be seen after it is added to a liquid, it is said to dissolve in the liquid. The clear liquid is called a ....
solution
The temperature at which a solid freezes is called its....
freezing point
What are 3 examples of properties?
open ended
What liquids did we use to explore properties?
iodine, water, vinegar
Scientists use this to support their claims.
evidence
The temperature at which a solid melts is called its .....
melting point
List 4 tools we used to explore properties.
open ended
Why is salt used in snowy weather?
To change the freezing point and melt the snow.
An observable feature is....
a property
fair test
List all 6 solids we observed
alum, baking soda, baking powder, cornstarch, salt, sugar
How do we know alum had the lowest melting point?