WorksheetsScience Topics
Total questions: 20
Worksheet time: 10mins
What is the basic structural and functional unit of all living organisms?
organ
cell
molecule
tissue
In which organelle does photosynthesis occur?
mitochondria
chloroplasts
nucleus
endoplasmic reticulum
What is the process by which plants make their food using sunlight?
Solarization
Photosynthesis
Chlorophyll
Sunfeeding
What is the term for a substance that speeds up a chemical reaction without being consumed in the process?
facilitator
enhancer
catalyst
accelerator
What type of energy is produced by the flow of electric charge?
Thermal energy
Solar energy
Electrical energy
Kinetic energy
What is the SI unit of electric current?
D
A
B
C
Which simple machine is a sloping surface that reduces the amount of force required to move an object?
Inclined plane
Tilted surface
Angled ramp
Slanted plane
What is the formula for calculating voltage in an electrical circuit?
V = I * R
V = I / R
V = R / I
V = I + R
What is the process by which cells break down glucose to release energy?
Cell division
Photosynthesis
Protein synthesis
Cellular respiration
Which organelle is known as the powerhouse of the cell?
Mitochondria
Nucleus
Ribosome
Endoplasmic reticulum
What is the law that states energy cannot be created or destroyed, only transformed from one form to another?
Law of Energy Destruction
Law of Energy Transformation
Law of Energy Creation
Law of Conservation of Energy
What is the process by which plants release oxygen into the atmosphere?
Photosynthesis
Respiration
Fermentation
Transpiration
Which simple machine consists of a wheel with a groove in which a rope or chain can run to change the direction of the force?
Screw
Pulley
Wedge
Lever
What is the term for the process of combining two or more elements to form a new substance?
fusion process
chemical reaction
substance synthesis
elemental fusion
What is the unit of power in the International System of Units?
watt
ampere
joule
volt
Which type of chemical reaction involves the combination of two or more substances to form a new compound?
Synthesis reaction
Decomposition reaction
Single displacement reaction
Combustion reaction
What is the formula for calculating work done?
Work = Energy x Power
Work = Mass x Acceleration
Work = Force x Distance
Work = Velocity x Time
Which part of the cell contains the genetic material and controls the cell's activities?
nucleus
ribosomes
cytoplasm
mitochondria
What is the law that states for every action, there is an equal and opposite reaction?
Galileo's Law of Falling Bodies
Einstein's Theory of Relativity
Darwin's Natural Selection
Newton's Third Law
What is the process by which cells use oxygen to produce energy from food?
Photosynthesis
Protein synthesis
Cellular respiration
Cell division
