What are the 3 states of matter?
solid, liquid, gas
What is it called when water droplets get heavy and fall to the earth?
Precipitation
What are the main 2 types of materials?
Natural and processed
What kind of change is baking a cake?
Permanent change
What is evaporation?
When water on the ground turns into water vapour and rises to the sky.
What is it called when a solid turns into a liquid?
melting
What state of matter takes the shape of its container and the particles flow and are a bit apart?
Liquid
What is condensation?
When water vapor changes into water droplets and forms a cloud.
Why should you never dump garbage in the water?
Because it will go into rivers and lakes and it will harm the plants and animals that live there.
What is the difference between a reversible and permanent change?
Reversible change can go back to the way it was before, permanent change cannot go back to the way it was.
What comes after collection in the water cycle?
Evaporation
What is the difference between natural and processed materials?
Natural is something not made by humans, processed is something made by humans
What is it called when a liquid gets hot, makes bubbles and turns into a gas?
boiling
What are 2 types of precipitation?
Rain and snow
When you make a guess of what will happen before an experiment
Hypothesis