Matter & It's Properties
Which state of matter is salt?
Solid
Sand and marbles placed together is an example of ____________.
A mixture
How can you separate sand and straws? Why?
A. Magnet
B. Water
C. Coffee filter
Water, because sand will sink and straws will float.
A penny is a ____________.
Conductor
How can I change a liquid to a solid? What do I need to do?
Remove heat/thermal energy.
What do you call two or more substances that are combined and do not change their physical properties?
a mixture
Which material will keep my drink cold the longest? A ______cup.
A. Cotton
B. Paper
C. Foam
Foam
What does a conductor do?
Let energy pass through.
Color, shape, solubility, and density are used to identify matter. What are they?
Physical Properties.
When a gas changes to a liquid?
Condensation
Pepper and water placed together is an example of___________.
a mixture.
Aluminum foil would be a good insulator? True or False?
False
Sink and float are examples of__________?
Density
What does matter need to change its state?
What is a change in temperature. Either add or remove heat/thermal energy.
The amount of a substance that can be dissolved in another substance is ____________.
solubility or solution
Name 3 insulators.
Answers vary...
Examples: wood, rubber band, cloth, eraser... and more.
Oil is more dense than water? True or False?
False
Which state of matter has a definite shape?
Solid
What do you call a kind of mixture where different kinds of matter are mixed completely with each other?
Solution. Like saltwater.
Name 3 conductors.
Answers vary...
Examples: paperclip, foil, water, washer, copper...and more.