G3 (E.Science) p. 108 to 111

( Do Now )

Rocks are ______________ materials

• Solid

• Liquid

• gas

( Do Now )

Which is the biggest in size ?

• Boulders

• Gravels

• Sand grains

( Do Now )

Both rocks and soil can best be described as materials that

• are naturally found on Earth.

• have the same grain size.

• are made mostly of humus.

(Practice)

Which of these is a mineral?

• clay

• sand

• silver

• humus

(Practice)

Which one is not a property used to identify minerals?

• streak

• color

• hardness

• size

(Practice)

-The color of the powder left behind when you rub the mineral against a tile.

• streak

• color

• hardness

(Practice)

Which of the following minerals is one of the hardest minerals?

• pearl

• diamond

• talc

Practice)

The softest mineral is ___________

• Gypsum

• Talc

• Diamond

(Exit ticket)

Mike has a piece of a mineral, but he does not know which mineral it is. Which property of the mineral should he test to learn its name?

• streak

• layers

• color

• size