Matter
Change of matter
Physical and Chemical change
Mixtures
Random
100
What are the 3 states of matter?
solid, liquid and gas.
100
LIQUID--> SOLID
freezing/solidification
100
What are the 2 types of physical change?
reversible and irreversible
100
Name the 2 types of pure substances.
element and compound
100
What is one of the Wonders of the world located in Mexico?
Chichen Itza
200
What state of matter is this?
solid
200
What is condensation?
The process of transforming a gas into a liquid.
200
What type of change is this? Explain.
irreversible, the substance can't go back to its original form.
200
Is this mixture heterogeneous or homogeneous?
heterogeneous
200
Name a festival or celebration from the United States.
Thanksgiving, Christmas, Halloween, Independence Day, St Patrick's Day, etc.
300
Matter with two kinds of atoms are called:
compounds
300
Name 3 processes of changing state
condensation, freezing, melting, evaporation, sublimation, deposition
300
Is this a physical or chemical change?
chemical
300
What is filtration?
The process to separate a solid from a liquid.
300
Name 5 English speaking countries.
United States, Canada, Australia, New Zealand, Scottland, Ireland, South Africa, Belize, Singapore, etc.
400
Name 3 examples of gas.
water vapour, steam, smog, smoke, car exhaust
400
What process is going on in this picture?
melting
400
What type of change is this? Explain.
Oxidation, metals react to the oxygen and produce rust.
400
What is sieving? Name an example.
Process to separate two solids of different sizes. An example is sieving flour with the strainer.
400
What is the name of this movie?
Wizard of Oz
500
It has a definite volume and indefinite form.
liquid
500
The process of transforming a solid into a gas.
sublimation
500
What does turmeric help us determine?
It is a natural pH indicator, it can determine if a substance is an acid or base.
500
How can you separate salt water?
With evaporation.
500
Who are One Direction? (Sing one of their songs for 100 extra points.)
A boyband from England.