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WorksheetsScience Challenge
Total questions: 20
Worksheet time: 10mins
What is the process by which plants make their own food using sunlight, water, and carbon dioxide?
Respiration
Photosynthesis
Mitosis
Chloroplast
Which part of the plant is responsible for absorbing water and minerals from the soil?
Stems
Leaves
Roots
Flowers
What is the main function of chlorophyll in photosynthesis?
Absorb light energy
Release oxygen
Store water
Reflect light energy
How do herbivores obtain their nutrients?
By drinking water
By absorbing sunlight
By consuming plants
By hunting other animals
Which organ in the human digestive system is responsible for absorbing nutrients into the bloodstream?
Stomach
Small intestine
Large intestine
Liver
What is the process of converting fibers into yarn called?
weaving
spinning
dyeing
knitting
Which heat transfer mechanism occurs in fluids like water and air?
Radiation
Reflection
Conduction
Convection
What is the unit of measurement for temperature?
liters
meters
degrees Celsius (°C) or degrees Fahrenheit (°F)
grams
How are winds created on Earth?
Winds are generated by the migration of birds
Winds are caused by the movement of clouds
Winds are created by the rotation of the Earth
Winds are created due to the uneven heating of the Earth's surface by the sun.
What is the name for a violent, rotating windstorm?
hurricane
earthquake
tornado
blizzard
During photosynthesis, what gas do plants release into the atmosphere?
Nitrogen
Oxygen
Carbon dioxide
Hydrogen
Which enzyme in the stomach helps in the digestion of proteins?
trypsin
pepsin
amylase
lipase
What is the primary source of fiber for textile production?
Plants
Minerals
Animals
Water
What is the process of transferring heat through direct contact called?
Radiation
Conduction
Reflection
Absorption
At what temperature does water boil on the Celsius scale?
50 degrees Celsius
75 degrees Celsius
120 degrees Celsius
100 degrees Celsius
What is the name for a large, swirling mass of air with low pressure at its center?
hurricane
tornado
typhoon
cyclone
What is the role of acids in neutralizing bases?
Acids release hydroxide ions to neutralize bases.
Acids accept electrons from bases to neutralize them.
Acids increase the pH of bases to neutralize them.
Acids donate protons (H+) to neutralize bases.
Which fabric is derived from the silkworm?
Silk
Polyester
Cotton
Wool
What is the process of heat transfer through electromagnetic waves called?
radiation
convection
conduction
reflection
How are cyclones different from tornadoes?
Tornadoes are less destructive than cyclones.
Cyclones form over water, tornadoes form over land.
Cyclones rotate counterclockwise, while tornadoes rotate clockwise.
Cyclones are smaller in size compared to tornadoes.
