States of matter
What is matter?
Everything you can see and feel is called matter.
(cource book p68)
True or False?
In liquid, the particals touch each other, they stay in the same place.
False
Particals can move and can change places in liquid
(cource book p70)
A tool for measuring temperature
Thermometer
(cource book p73)
True or False?
When solids are heated even more strongly they melt, they become gas.
False
Correct: When solids are heated even more strongly they melt, they become liquid.
(course book p75)
Which type of particals cannot flow?
Solid
The word for saying how things behave.
Properties
(cource book p68)
Why does solid have a fixed shape?
The particals are tightly packed and held together strongly
(cource book p70)
What would happen if you put ice in a warm place?
It melts and becomes liquid water
(cource book p72)
When solid are heated, they___________________
expand / vibrate more / take up more space
(course book p75)
What state of matter is the smells of fruits?
Gases
List at least 2 different properties of solid.
(ANSWER IS VARY, select 2)
1. They keep the same shape
2. Take up same amount of space
3. Keep same volume
4. Cannot be squashed or poured
I can spread out by myself, I can also change shape, what am I?
Gas
(cource book p70)
What tool is used for measuring the volume of liquid?
A measuring cylinder
(cource book p72)
How do the particals of a liquid behave when they are heated?
They evaporate and eventually boil.
(course book p75)
Becoming liquefied by heat.
What is melting?
The ideas of scientists.
Hint：Another word for hypothethies
What is theories?
(cource book p69)
What will happen if you squash gas?
The particals move closer together and the gas takes up less space.
(cource book p71)
What would happen if water vapour touches someting cold?
It condenses and changes back into liquid water.
(cource book p72)
When gas gets cooler and form liquid
What is condensation?
The study of the substances from which the Earth and the rest of the Universe are made.
What is the study of chemistry?
Name four different properties of liquids
(This is a list of all the properties, if four of the properties are said, the answer is correct)
1. Take the shape of the container
2. poured and can move through gaps
3. Cannot be squashed
4. Take up the same amount of space
5. Keep same volume
Matter can only change volume if ___________
A. Move past each other
B.spread out or move closer together
B
(cource book p71)
What are the three states of matter of water?
Ice, water and water vapour
(cource book p74)
The _______ the liquid is, the less the particals are able to move or slide past each other.
A. cooler
B. hotter
C. bigger
A. Cooler
The particals have little energy that can only vibrate.
(course book p76)
Is dry ice solid, liquid or gas?
it is a solid that skips the liquid process and goes straight to a gas.