Examples of:
The air in a balloon.
What is gas?
A tiny copy of a house built by an architect. Particle or model?
A model.
What is anything that has mass and takes up space?
To spread out evenly in a liquid.
What is dissolve?
An example of a particle.
What is a piece of saw dust?
What is a piece of sand?
Putting an Alka-Seltzer into a cup of water.
What is disolve?
A piece of dust found on your window sill. Gas or particle?
A particle.
Gas
What is matter with no set volume and no set shape?
A limited representation of something that can help us understand its structure or how it works.
What is a model?
An example of a model.
What is a math drawing?
What is a model of the solar system?
A rock.
What is matter?
Helium. Gas or particle?
A gas.
Dissolve
What is to spread out evenly in a liquid?
Matter with no set volume and no set shape.
What is gas?
An example of matter.
What is _____? (so long as it's a thing that takes up space, you are right)
A drawing of a math problem.
What is a model?
The sugar in a cup of hot tea. Dissolve or gas?
Dissolve.
What is the smallest unit of a substance?
The smallest unit of a substance.
What is a particle?
An example of gas.
What is air?
What is Helium?
A grain of sand.
What is a particle?
A human being. Matter or particle?
Matter.
Model
What is a limited representation of something that can help us understand its structure or how it works?
Anything that has mass and takes up space.
What is matter?
An example of Dissolve.
What is stirring sugar into water?