Science Module 2 lesson 2

Iodine turning black shows a chemical change with the property of _________

• texture

• color

• solubility

Iodine turning lumpy when mixed with baking powder shows the property of

• texture

• color

• conductivity

Which property deals with electricity and if current flows through it?

• texture

• conductivity

• color

• solubility

Mixing chemicals together forms a

• mixture

• compound

• property

Mixing items together and keeping the original form of matter doesn't change its ___________ (pick 2 correct answers)

• chemical properties

• physical properties

• solubility

• texture

Spraying the "snow" on the wall changed the paper's color. This is an example of a

• texture change

• physical change

• chemical change

Which is the smallest unit of an element?

• proton

• neutron

• atom

Fire, air and water are used in experiments to show

• chemical changes

• properties of matter

• conductivity

• insulation

A material that cannot be broken down into anything simpler is called an

• neutron

• material

• element

Most elements are any of these three things:

• solid, liquid and metal

• solid, liquid and gas