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WorksheetsClass 9 SEBA General Science Chapter 1Matter in Our Surroundings
Total questions: 30
Worksheet time: 15mins
What is matter?
Only solid objects
Only living things
Anything that occupies space and has mass
Only liquids and gases
Which of the following is NOT considered matter?
Water
Light
Air
Sand
What are the five basic elements according to early Indian philosophers?
Air, earth, fire, sky, water
Water, earth, fire, metal, wood
Air, water, earth, light, energy
Fire, earth, water, ice, air
What do modern scientists classify matter based on?
Physical properties and chemical nature
Size and weight
Color and shape
Temperature and pressure
What is the state of matter that has a definite shape and volume?
Plasma
Solid
Liquid
Gas
Which of the following states of matter is highly compressible?
Gas
Liquid
None of the above
Solid
What is the term for the intermixing of particles of different types of matter?
Evaporation
Diffusion
Sublimation
Condensation
What happens to the kinetic energy of particles as temperature increases?
It fluctuates
It increases
It remains the same
It decreases
Which of the following is a characteristic of solids?
They have no fixed shape
They can flow
They have a definite shape and volume
They are compressible
What happens to a rubber band when it is stretched?
It breaks immediately
It changes shape and regains it
It remains unchanged
It becomes liquid
What is the main reason liquids can diffuse faster than solids?
They are always at higher temperatures
Their particles are more tightly packed
Their particles move freely and have greater space
They have less mass
What is the property of gases that allows them to fill a container?
They are incompressible
They have a fixed shape
They have no fixed shape
They are rigid
How do particles of gas behave in a container?
They only move when heated
They move randomly at high speed
They form layers
They remain stationary
What is the effect of heating on the diffusion of gases?
It stops diffusion
It has no effect
It slows down diffusion
It speeds up diffusion
Which of the following is an example of a liquid?
Oxygen
Water
Ice
Sand
What is the main characteristic of the gaseous state?
Fixed shape
Rigid structure
Indefinite shape and volume
Definite shape and volume
What happens to the particles of matter when they are heated?
They become solid
They stop moving
They move slower
They move faster
Which of the following best describes the solid state?
Particles are loosely packed and flow
Particles are closely packed and vibrate in place
Particles are far apart and move freely
Particles are randomly arranged and move quickly
What is the primary reason that gases can diffuse quickly?
They have high speed and large spaces between particles
They have larger particles
They are always at high temperatures
They are heavier than solids
What is the shape of liquids in a container?
Indefinite shape
Fixed shape
Rigid shape
None of the above
What is the main reason solids maintain their shape?
Their particles are tightly packed
They have high kinetic energy
They are always cold
They are incompressible
What is the effect of temperature on the movement of particles in matter?
It stops movement
It increases movement
It has no effect
It decreases movement
Which of the following is true about the particles of matter?
They do not attract each other
They are always stationary
They are always in motion
They only move when heated
What is the primary characteristic of liquids?
They cannot flow
They have a fixed volume
They have a fixed shape
They are rigid
What happens to the shape of sugar or salt when placed in a jar?
They maintain their shape
They evaporate
They dissolve
They change shape
What is the primary reason for the compressibility of gases?
Particles are far apart
Particles are stationary
Particles are tightly packed
Particles are heavy
What is the main characteristic of the gaseous state?
Rigid structure
Indefinite shape and volume
Definite shape and volume
Fixed shape
What is the primary reason that solids cannot flow?
They are too heavy
Their particles are tightly packed
They have high kinetic energy
They are always cold
What is the primary reason that liquids can diffuse into each other?
They are always at high temperatures
Their particles move freely and have greater space
Their particles are tightly packed
They are incompressible
What is the primary reason that gases can fill a container?
They are rigid
They have a fixed shape
They are incompressible
They have no fixed shape
