How are sugar and salt similar?
What is they both dissolve in water?
What senses can be used to observe the effects of moving air particles?
What is smell?
True or false: Particles that dissolve no longer exist.
What is true?
Where does pollen come from?
What is plants that are reproducing?
What is an example of human-made air pollution?
What is burning coal?
How do you know dissolved sugar is in the water even though it cannot be seen?
What is it can be tasted?
Balloon and Basketball
What is what you can inflate?
How are scents carried?
What is by air particles?
When can people see pollen particles?
What is when many of them settle on and coat surfaces?
What is an example of natural air pollution sources?
What is volcanic ash?
How do you know dissolved salt is in the water even though it cannot be seen?
What is the salt will become solid again when the water evaporates?
What is what can wind affect?
What is true about the size of air particles?
How can pollen affect people?
What is they can cause a reaction in the body, such as runny nose, sneezing, and itchy?
What does Air Quality Index describe?
What is the amount of air pollution?
distribute throughout a liquid
Moving air particles carry scents as they spread out and move freely
What is how are scents evidence of moving air?
How does moving air affect scents?
What is it carries the scents to other places?
What is false?
Why can some air pollution particles be seen while others cannot?
What is large particles can be seen as smog, but other particles are too small to see?
to change from a liquid to a gas
What is evaporate?
How is an inflated object evidence that air spreads out?
What is the air expands the object?
How do air particles behave?
What is they move freely in all directions?
Air pollution that people can see
What is smog?
How can air pollution affect people?
What is people inhale matter when they inhale polluted air; this can cause health issues?