General Science Questions for Class 4

Which of the following remains suspended to form sand and water mixture?

1. Gas
2. Plasma
3. Liquid
4. Solid

Water is a?

1. Compound
2. Mixture
3. Solution
4. Element

The process of transferring a liquid without disturbing the solid particles is called?

1. Filtration
2. Decantation
3. Sedimentation
4. Centrifugation

The process of separation of an insoluble solid from a liquid by passing it through filter paper is called?

1. Filtration
2. Decantation
3. Sedimentation
4. Centrifugation

The process of separation of solute and solvent from the mixture is called?

1. Decantation
2. Sedimentation
3. Filtration
4. Centrifugation

What happens when you put sand, salt and sawdust in glass of water?

1. Salt has dissolved in water
2. Sand sank to the bottom
3. Sawdust floated on the top
4. All of these

The measurement of the hotness of an object is called?

1. Humidity
2. Temperature
3. Speed
4. Force

Heat is a form of?

1. Matter
2. Work
3. Radiation
4. Energy

The properties used for heat?

1. Hot, Energy, Cold
2. Color, Smell, Sound
3. , Heavy, Light, Hard
4. Circle, Square, Point

Heat is measured in?

1. Joule
2. Mole
3. Density
4. None