What are the 3 Rs?
What is Reduce, Reuse, Recycle
condensation
What is it called when matter changes from a liquid to a solid?
How long does it take for plastic to decompose?
What is 10 to 1000 years
Melting
What is it called when matter changes directly from a solid to a gas?
What is sublimation
What is one way that we can help reduce the negative impact that food processing has on our environment?
Possible answers include: don't waste food, buy food locally, grow our own food, buy food with less plastic.
In what state of matter are the molecules spread apart a little and move around at a medium speed.
what is liquid
What is the opposite of deposition?
sublimation
What is a evaporation
What type of packaging is low cost, easy to carry, and breaks down easily, but can be damaged easily and is not very durable?
Cardboard
The particle theory states that all matter is made up of tiny particles that are constantly doing what?
Moving - The speed the particles move depends on which state of matter they are in.
Name one way to chemically change wood.
What is BURN
What is condensation
What type of packaging is low cost, lasts a long time, and is durable, but takes a very long time to break down and can cause pollution?
Plastics
Matter is made up of tiny particles called?
What is atoms
What are clouds made of?
Water vapor
What is it called when matter changes from a gas directly to a solid?
What is a deposition