1
What is the name of the human body’s largest organ?
The Skin
What is the chemical symbol for water?
H2O
What is the chemical formula for glucose?
C6H12O6
What is the name of the process by which plants use carbon dioxide to produce oxygen?
Photosynthesis
What is the force that pulls objects towards the centre of the Earth?
Gravity
What is the name of the process by which a liquid changes into a solid?
Freezing
In which state of matter are particles tightly packed together in a regular pattern and vibrate in place?
Solids
What is the name of the process by which a gas changes into a liquid?
Condensation
In which state of matter do particles have the most energy and move freely in all directions?
Gas
What is the name of the process by which a solid changes into a liquid?
Melting
What is the term for the process by which plants release water vapor into the atmosphere through small openings in their leaves?
Transpiration
What is the name of the process where water droplets combine to form larger droplets in clouds?
Condensation
Which part of the water cycle involves water falling from the atmosphere back to the Earth's surface in the form of rain, snow, sleet, or hail?
Precipitation
Which part of the water cycle involves water seeping into the ground and replenishing underground water sources?
Infiltration
What is the scientific term for the process of water turning into vapor?
Evaporation
Contains two or more substances that are mixed together, but have not chemically bonded together?
Mixture
A type of mixture that is made when one substance dissolves and mixes fully with another?
Solution
The solid that dissolves in a solution?
Solute.
The liquid that does the dissolving in a solution?
Solvent
The water that passes through filter paper?
Filtrate
The separation of substances using fingers or tweezers?
Picking
The separation of solids from a liquid through a mesh. The solid pieces get trapped whereas the liquid and anything soluble passes through?
Filtration
The recovery of a solvent from a solution by evaporating and condensing the solvent but not the solute?
Distillation
The recovery of a solute by boiling away the solvent, but not the solute?
Evaporation
The gradual pouring from one container into another to separate out sediment?
Decanting