HARD
6th CBSE
IMPORTANT
Earn 100

Define density. How is it related to floating and sinking in water?

Important Questions on Sorting Materials into Groups

HARD
6th CBSE
IMPORTANT
Millennium's Science>Chapter 4 - Sorting Materials into Groups>Exercises>Q 3
Discuss the solubility of solids, liquids and gases in water.
HARD
6th CBSE
IMPORTANT
Millennium's Science>Chapter 4 - Sorting Materials into Groups>Exercises>Q 4
Differentiate between soluble and insoluble materials.
HARD
6th CBSE
IMPORTANT
Millennium's Science>Chapter 4 - Sorting Materials into Groups>Exercises>Q 4
Differentiate between miscible and immiscible liquids.
HARD
6th CBSE
IMPORTANT
Millennium's Science>Chapter 4 - Sorting Materials into Groups>Exercises>Q 4
Differentiate between transparent and translucent materials.
MEDIUM
6th CBSE
IMPORTANT
Millennium's Science>Chapter 4 - Sorting Materials into Groups>Exercises>Q 1

Rahul performed magic in front of his friends. He placed a beaker filled with water on a table and asked his friends to put an egg into the beaker. All of his friends did the same but each time, the egg sank into the water. Then, Rahul secretly mixed some white powder in the water and he placed an egg in to the beaker. Surprisingly the egg started floating on water.

a. What could be the white powder?

b. Why did the egg sink earlier but float later?

MEDIUM
6th CBSE
IMPORTANT
Millennium's Science>Chapter 4 - Sorting Materials into Groups>Exercises>Q 2
Iron is a lustrous metal but iron rods used in construction do not shine. Why?
MEDIUM
6th CBSE
IMPORTANT
Millennium's Science>Chapter 4 - Sorting Materials into Groups>Value Based Questions:>Q 1

Payal’s teacher asked all the students to bring lemon, sugar and water to make Nimbu paani in the class. Payal added sugar and salt to water and stirred it with a spoon. She saw that sugar and salt got disappeared in water. Then she added lemon juice which also gets mixed well in the water to make delicious nimbu paani.

Based on the information answer the following question:

Why did sugar and salt disappear in water?

MEDIUM
6th CBSE
IMPORTANT
Millennium's Science>Chapter 4 - Sorting Materials into Groups>Value Based Questions:>Q 2

Payal’s teacher asked all the students to bring lemon, sugar and water to make Nimbu paani in the class. Payal added sugar and salt to water and stirred it with a spoon. She saw that sugar and salt got disappeared in water. Then she added lemon juice which also gets mixed well in the water to make delicious nimbu paani.

Based on the information answer the following question:

Name two other substances that do not dissolve in water.