Bubbles Bangs And Burning Flashcards
1
Q
What are the ways of knowing a reaction (name two)
A
Changing colours
Fizzing/bubbles
Heat
2
Q
How does a reaction happen?
A
A collision that changes the liquid or item that collided or changes with the environment
Example: When ice warms it turns to water
3
Q
What is mass
A
Mass is a measure of how much matter there is in something. We measure mass with a balance of g or kg
4
Q
How is pollution made?
A
Pollution is made by the burning of fossil fuels
5
Q
What products do we get from burning fuels?
A
We get carbon dioxide, nitrous oxide