02-13-24 GRADE 6

What is air pollution?

• The smell of fresh air
• The absence of any substances in the air
• The presence of harmful substances in the air
• The presence of only beneficial substances in the air

 It is a harmful gas emitted from the burning of petroleum and coal products.

• Nitrogen dioxide
• Oxygen
• Sulfur dioxide

• Methane

What causes air pollution?

• Various sources including vehicles, industrial processes, and natural causes.
• Using too much sunscreen
• Eating too much fast food
• Air fresheners and perfumes

What are the common sources of water?

• Pipelines, faucets, and bottles
• Clouds, snow, and icebergs
• Saltwater, freshwater, and groundwater

• Deserts, mountains, and forests

It is a large musical ensemble composed of different instruments that play music altogether.

• Choir
• Orchestra
• Rock band
• Soloist

This family of instruments are traditionally made of wood and can be played by blowing through them.

• Woodwind instruments
• String instruments
• Percussion instruments
• Brass instruments

This family of instruments is made up of instruments that are struck, tapped, hit, and rubbed using mallets, sticks, hands, or other solid materials.

• Woodwind instruments
• Percussion instruments
• String instruments
• Brass instruments

What is this symbol?

• Volta brackets

• D.C. Al fine

• It is a mathematical symbol for addition
• It is a symbol for the sun god in ancient mythology

What symbol is this?

• Volta Brackets

• D.C. Al fine

• Dal segno

• Da capo

This musical symbol tells you to repeat the song or piece from the very beginning.

• Allegro
• Da Capo (D.C.)
• Staccato
• Crescendo