Particles in action

Physical and Chemical Changes/ properties
Mesurement
Vocabulary
Misc.
100
What are the particles doing in a liquid state?
bonding and sliding past each other
100
Melting crayons is an example of a ______________ change.
physical change
100
The basic unit of length a ____________
meter
100
What is matter?
What is the "stuff" that everything is made of"
100
Physical science is about the relationship between _________________ and ________________.
matter and energy
200
How do the particles move in a solid.
they vibrate in place
200
What chemical property is responsible for iron rusting?
reactivity with oxygen
200
The smaller an object's mass, the ______________ its inertia.
larger
200
A liquids resistance to flow is called this
What is Viscosity
200
Dew collection is an example of what type of physical change?
consensation
300
What do the particles do when a liquid become a gas?
What is break away from one another
300
Why can you tell that baking a cake is a chemical change?
What is it combines the ingredients to form new substances. It is also not reversible.
300
What is the measurement of the gravitational force called?
weight
300
What are scientific methods?
steps scientists use to answer questions and solve problems.
300
The change from a solid directly to a gas is called what?
sublimation
400
What is it called when particles go from gas to liquid
condensation
400
Malleability is an example of what...
a physical property?
400
Why is the International System of Units Important
What is it is easy to use, and used by most scientists
400
Name the three common types of scientific models.
physical, mathematical, and conceptual
400
What are the chemical properties of matter
flammability and reactivity
500
At higher temperatures, describe how particles move.
they move faster.
500
Why is molding clay a physical change?
the clay only changes it's shape, not it's composition
500
How do you compare densities of multiple liquids?
put them in a graduated cylinder and the densist will be at the top
500
What is energy?
the ability to do work
500
What is the most important part about gathering knowledge about science
asking questions
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