A characterisitc made without changing a substance's identity
What is a physical property?
Painting a picture in art class.
What is a physical change.
The basic building block of matter.
What is an atom?
Cooking an egg
What is chemical change?
The ratio of mass and volume used to identify a substance.
What is density?
A characterisitc made by changing a substance's identity
What is a chemical property?
Taking math homework and ripping it up, then allowing water to soak into the paper bits.
What is both are physical changes.
When molecules are heated they...
What is spread apart and move faster?
Evaportation
What is physical change?
The equation for density.
What is mass divided by volume?
Size, shape, texture, color, and or phase
What are physical properties?
Leaving a bike in the rain to rust, then melting off the bolt to remove the rusted parts.
What is a chemical and physical change.
The connection between two or more atoms to form molecules.
What is a bond, or chemical bond? Not James Bond...
Wood has a volume of 1L and a mass of .4Kg. Include the unit.
What is a density of .4Kg/L
Corrosion, flamability, combustability, and acidity.
What are chemical properties?
Cutting up a bananna, then forgetting about the bananna until the next day where you find it has turned brown.
What is physical change then chemical change.
The particle that is shared between atoms to create molecules.
What is an electron?
Water as a mass of 127g and a volume of 127ml. Include the units.
What is a density of 1g/ml?
Evaporation vs production of gas.
What is a physical change/property verus/compared to a chemical change/property?
Mr. Nichols mixes flour, sugar, egg, milk, baking powder in a bowl. His dog eats some of the batter that falls on the floor. Mr. Nichols cooks the batter into a cake, then ices the cake.
What is a physical change,chemical, chemical change, then physical change?
The three particles in an atom and their charges.
What is proton +, neutron 0, and electron -?
What is a physical change?
An unknown substance with a mass of 54Kg and a volume of 6L. Include the unit.
What is a density of 9Kg/L