What property of an object can be measured using a ruler?
We have a rock and a cork, which object has the greatest density?
rock
We have a notebook and a clip, which item has the least mass?
notebook
What happened to the objects that are less dense?
float
What happened to the objects that are more dense?
sink
What are the states of matter?
Solids, liquids, and gas
What tool can you use to measure mass?
You use a pan balance to measure mass.
Chemical change examples
Burning, cooking, rusting, and rotting.
Which process turns solid ice into liquid water?
melting
Which process causes the water on the streets to dry?
evaporation
What is condensation?
The process by which a gas changes into a liquid.
What is density?
The amount of matter present in a certain volume of a substance.
What is evaporation?
The process by which a liquid changes into a gas.
What is matter?
Anything that takes up space and has mass.
What is volume?
The amount of space an object takes up.
What is a mixture? Give one example
A combination of two or more substances that keep their identities.
What is a solution?
A mixture in which the substances are evenly mixed.
What is a physical change?
A physical change is a change in which a new substance is not formed.
What is a chemical change?
A chemical change is a change in which a new substance is formed.
Name 3 physical properties
Shape
Size
Color
Texture
Mass
What is a solute?
A substance that dissolves in a solvent
What is a solvent?
The larger part of a solution.
What are the different forms of water?
1.Freezing
2.Melting
3.Evaporation
4.Condensation
Describe the three states of matter.
Solid: has ________ shape and _______ volume.
Liquid:
Gas:
How the particles are arranged in the different states of matter?
Drawing