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All the things that occupy space and have mass are called ____________.
All the living things and non-living things are made up of _____________.
What is a matter made up of?
Millions of tiny particles join together to form _____________.
Matter is made up of tiny particles called ___________.
What is a Molecule?
A molecule can be further broken down into ___________.
A molecule is made up of _____________.
What are the three basic states of matter?
All the three states of matter have a different ______________.
What makes the molecules in a solid structure to be tightly packed and held together?
Solids have a definite shape and volume. Why?
Why cannot solids move?
How are the molecules in a liquid state?
Why do the molecules in a liquid move around in different directions?
What is the result of the low force of attraction in liquids?
How is the volume of a liquid?
How are the molecules in a gas?
How are the forces of attraction between the molecules in a gas?
What enables the molecules in a gas to move away from each other very easily?
Gases neither have a ____________ nor a _____________.
Matter changes from one state to another on _____________.
What is melting?
What is evaporation?
By ____________, a solid can be changed into liquid and a liquid into gas.
On heating, water changes into water vapour, which is in ____________.
Changing of water vapour(gas) into water (liquid) is called ____________.
What is freezing?
By ____________, a gas can be changed into a liquid and a liquid into a solid.
Sugar is ____________ in water.
How does sugar dissolve in water to form a solution?
Some solids dissolve into liquids to form _____________.
Some solids do not dissolve in water. They are called _____________.
Which of the following gases can dissolve in water?
Which of the following gas is dissolved in soft drinks to make them fizzy?
From where do the aquatic animals get oxygen to breathe?
Which of the following is a gas used by aquatic plants to make food?
What are Miscible liquids?
What are immiscible liquids?
Which of the following liquids can dissolve in water?
What makes the physical properties of a substance change?
What is a change in which a new substance is formed?
Most of the physical changes are ______________.
Examples of Physical changes are ________________.
The properties of the new substance are different from those of the _____________ in a chemical change.
Most chemical changes are ______________.
Which of the following is an example of a chemical change?
The oil is ____________ in water.
Liquids have a fixed ___________ , but no fixed___________.
_____________ take the shape of the container into which they are poured.
which of the following solids do not dissolve in water?
____________ are miscible liquids.