Law of Conservation of Mass
Physical & Chemical Changes
Physical & Chemical Properties
Classify Me!
What's the Clue?
100

The ___________ are all the substances present before a chemical change.

What are reactants?

100
When a gas turns to a liquid.
What is condensation?
100
The ability to rust is a _______ property.
chemical
100
Classify a sandwich smoothie.
homogeneous mixture
100

Vinegar combines with baking soda and forms a lot of bubbles. This is a _____________ change.

What is chemical?

200

The _____________ are all the substances present after a chemical change.

What are products?

200
Folding paper is a ______ change.
physical
200
Flammability is the ability to burn. It is a physical or a chemical property?
Chemical Property
200
A hot dog with mustard and ketchup
heterogeneous mixture
200

An ice cube starts melting to form liquid water. This is a ____________ change. 

What is physical?

300

The Law of Conservation of Mass states... 

The mass of the reactants = The mass of the products

300
This is the temperature where a liquid turns into a solid and a solid turns into a liquid.
What is the melting point?
300
Name three physical properties
Answers Vary.
300
table salt (NaCl)
compound
300

A piece of wood is chopped in half. This is a ___________ change. 

What is physical? 

400

2 g of hydrogen reacts with 16 grams of oxygen to form how many grams of water?

What is 18 g?

400
The transformation of size, shape, or phase of matter.
Physical Change
400
This is the characteristic ability for a substance to change into another substance.
What is a chemical property?
400
Sugar (C6H12O6)
Compound
400

Snake venom combines with blood and becomes toxic. This is a _________ change. 

What is chemical? 

500

28 g of salt produces 20 grams of chlorine and how many grams of sodium?

What is 8 grams?

500
Dry ice sublimbing (Physical or Chemical Change)
Physical Change
500
What is the density of an object that has a mass of 36 g and a volume of 4 cm3?
The density is 9 g/cm3.
500
Classify a diamond (C).
element
500

When a glow stick is cracked, it starts to produce a colorful light. This is a ___________ change. 

What is chemical?