We breathe out carbon dioxide. True or false?
TRUE
How many states of matter are there?
3 (Three)
Particles spread out and move freely.
GAS
What do our tears contain?
Our tears contain a chemical that can kill some bacteria
Why do we need to breathe?
We need oxygen to live and we get oxygen when we breathe
How can we prevent the spread of diseases.?
We can wash our hands with soap and cover our mouths when we cough.
What state of matter is the air inside of the balloons?
GAS
What is the process of a liquid turning into a gas called?
The process of a liquid turning into a gas is called evaporation
What state of matter is milk?
LIQUID
What is the melting point of ice?
Ice melts at 0◦C.
Particles in a gas are very __________.
far apart
What is the process of a liquid turning into a solid called?
the process of a liquid turning into a solid is called freezing
Give an example of a disease
Malaria and yellow fever are diseases.
Which organ is found in the head?
The brain is found in the head
What is the correct order of the states of matter in this picture?
LIQUID - GAS - SOLID
What state of matter is represented in the picture?
SOLID
How many lungs do we have?
We have 2 lungs
What is the process of a solid turning into a liquid called?
the process of a solid turning into is liquid called melting
What is the process of a gas becoming a liquid called ?
The process of a gas becoming a liquid is called condensation
What does the heart do?
The heart pumps blood around our body.
What state of matter is sugar?
SOLID
We breathe in carbon dioxide. True or false?
FALSE
Which organs are found in the chest
The lungs and heart are found in the chest
Particles in a solid are very __________.
close together
What state of matter is smoke?
GAS