Separation Of Substance

The process of separating grain from stalk is called

• Winnowing

• Threshing

• Sieving

• Hand Picking

What is a physical change?

• A physical change is a change in which the substance's color is altered.
• A physical change is a change in which the substance's taste is altered.
• A physical change is a change in which the substance's physical properties, such as shape, size, or state, are altered without changing its chemical composition.
• A physical change is a change in which the substance's chemical composition is altered.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is an energy change?

• An energy change is the process of energy staying the same
• An energy change refers to the process of energy being converted from one form to another, or transferred from one object to another.

• An energy change is the process of energy disappearing

• An energy change is the process of energy being destroyed

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

"To separate husk from rice" What process is used?

• Boiling

• Winnowing

• Grinding

• Baking

When the visible unwanted particles are removed by hand, the process is called

Match the following

• Winnowing

• When the visible unwanted particles are removed by hand, the process is called

• Threshing

• If the components of a mixture are of different sizes, they can be separated by

• Sieving

• The process of separating the grains from the stalks of plants is known as

• Hand Picking

• The process of separating lighter components like husk from heavier components such as Wheat by wind is known as

What does this picture show?

c

Threshing

Hand Picking

Sieving

Winnowing

What does this picture show?

a

Threshing

Winnowing

Sieving

Hand Picking

What does this picture show?

a

Threshing

Team work

Hard work

Hand Picking