Features of substances
States of matter
Diffusion
A cat in a sack
100
Give an example of any substance
water, wood, ice, oxygen...
100
Give the synonym of "solidification" and some examples
freezing, making ice from water in the fridge
100
Give any example of diffusion
The smell of perfume in the room
100
What do we use solids for?
To build houses (wood)
200
Name the main features of solids
fixed shape, fixed volume
200
Give the synonym of "fusion" and present some examples
Melting, chocolate in the sun
200
What makes diffusion faster?
temperature or moving
200
Which gas helps us breathe?
Oxygen
300
Name main features of liquids
fixed volume, can flow, take the shape of a container
300
Draw the position of particles in gases
300
What is the rate of diffusion?
speed of diffusion
300
Draw the pattern of particles in solids
400
What is a substance?
Everything that has mass and volume
400
What is condensation? Give the examples
When gas turns into liquid, drops of water on the window
400
What does kinetic energy make particles do?
move or bounce
400
Making popsicles is an example of what process?
Freezing or solidification
500
What do we need different substances for?
Solids - to build houses (wood), liquids to drink and to cook (water, milk), gases - to breath (oxygen)
500
Name all the processes of changing states of matter
fusion (melting), evaporation, condensation, solidification (freezing)
500
What is a diffusion?
When particles move from one place to anothe and mix
500
How can heating and cooling change the diffusion?
Heating makes it faster, and cooling - slower