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100

What is the name of the human body’s largest organ?

The Skin

100

What is the chemical symbol for water?

H2O

100

What is the chemical formula for glucose?

C6H12O6

100

What is the name of the process by which plants use carbon dioxide to produce oxygen?

Photosynthesis

100

What is the force that pulls objects towards the centre of the Earth?

Gravity

200

What is the name of the process by which a liquid changes into a solid?

Freezing

200

In which state of matter are particles tightly packed together in a regular pattern and vibrate in place?

Solids

200

What is the name of the process by which a gas changes into a liquid?

Condensation

200

In which state of matter do particles have the most energy and move freely in all directions?

Gas

200

What is the name of the process by which a solid changes into a liquid?

Melting

300

What is the term for the process by which plants release water vapor into the atmosphere through small openings in their leaves?

Transpiration

300

What is the name of the process where water droplets combine to form larger droplets in clouds?

Condensation

300

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

300

Which part of the water cycle involves water seeping into the ground and replenishing underground water sources?

Infiltration

300

What is the scientific term for the process of water turning into vapor?

Evaporation

400

Contains two or more substances that are mixed together, but have not chemically bonded together?

Mixture

400

A type of mixture that is made when one substance dissolves and mixes fully with another?

Solution

400

The solid that dissolves in a solution?

Solute.

400

The liquid that does the dissolving in a solution?

Solvent

400

The water that passes through filter paper?

Filtrate

500

The separation of substances using fingers or tweezers?

Picking

500

The separation of solids from a liquid through a mesh. The solid pieces get trapped whereas the liquid and anything soluble passes through? 

Filtration

500

The recovery of a solvent from a solution by evaporating and condensing the solvent but not the solute?

Distillation

500

The recovery of a solute by boiling away the solvent, but not the solute?

Evaporation

500

The gradual pouring from one container into another to separate out sediment?

Decanting