Science [1 Marks Each] QUE - ANS

Give one example to explain that different materials are used to make one object.

Which property of gases helps us in detecting leakage of cooking gas?

Name five items which can be made of plastic.

State whether the statements given below are True or False.
A notebook has lustre while eraser does not.

Activity.Collect small pieces of different materials— paper, cardboard, wood, copper wire, aluminium sheet, chalk. Do any of these appear shiny?
Now, observe as the teacher cuts each material into two pieces and look at the freshly cut surface. What do you notice? Does the freshly cut surface of some of these materials appear shiny?

Why is water important for our body?

State whether the statements given below are True or False.
Sand settles down in water.

What kind of material is said to be opaque?

State whether the statements given below are True or False.
Vinegar dissolves in water.

Take a small cotton ball and place it in a tumbler/ bowl filled with water. Observe it for atleast 10 minutes. Will it float or sink in water and why?

List three liquids which are immiscible in water.

Give two examples of objects made up of metals.

Give one example of each of a combustible liquid, gas and solid.

Find the odd one out from the following:
Chair, Bed, Table, Baby, Cupboard.

Write any two properties of material.

Find the odd one out from the following:
Rose, Jasmine, Boat, Marigold, Lotus.

Why is a tumbler not made with a piece of cloth?

State whether the statements given below are True or False.
A piece of wood floats on water.

What type of substances is called translucent?

Why is water called universal solvent?

What is a combustible material?

State whether the statements given below are True or False.
Stone is transparent, while glass is opaque.

State whether the statements given below are True or False.
Oil mixes with water.

Name any four materials that can be used to make school bags.

Which of these objects are made of wood and which of them are made of paper?
Table, chair, newspaper, calendar, bullock cart, notebook.

Give two examples of hard material.

What type of substances are said to be soluble in water?

Write the name of two objects that can float in water.

List any three solutions that are used in your home.

Which of the following is non eatable item.
Orange, mango, salt, basket ball, tomato.

Name any gas which can be dissolved in water.

State whether the statements given below are True or False.
Chalk dissolves in water.

State conditions when pure water can lose transparency.

List three liquids which are miscible in water.

Find the odd one out from the following:
Aluminium, Iron, Copper, Silver, Sand.

Give two examples of opaque material.

Fill up the blank:
When milk, cooled after boiling, is poured onto a piece of cloth the cream (malai) is left behind on it. This process of separating cream from milk is an example of _______.

Given below are the names of some objects and materials:
Water, basket ball, orange, sugar, globe, apple and earthen pitcher
Group them as:
Round shaped and other shapes.

Select those objects from the following which shine:
Glass bowl, plastic toy, steel spoon, cotton shirt

Raghav has a transparent paper. A liquid drop on it, making the paper translucent. Can you name the liquid that made the paper translucent?

Find the odd one out.
Iron, gold, water, silver.

Give two examples of soft material.

What are soft materials?

A solid is put in a bucket of water. It floats just below the surface of the water. What do you think is the density of the object with relation to the density of water?

Find the odd one out from the following:
Sugar, Salt, Sand, Copper sulphate.

Which among the following are transparent.
Iron, Water, glass, wood.

Name two materials which sink in water.

What do you understand by the word ‘classification’?

Find the odd one out.
Iron, wood, nail, cotton.
Sugar, salt, sand, milk.
Copper, wood, aluminium, gold.
Table, chair, coin, bed.

What types of substances are soluble in water? Give example.