Unit I-Matter

What are the physical properties of matter?

• Color, taste, and smell
• Mass, weight, and volume
• Height, weight, and length
• Sweetness, saltiness, and sourness

Which of the following is an evidence of chemical change?

• Melting ice
• Cutting paper
• Burning wood
• Mixing salt and water

What is the purpose of a Materials Recovery Facility (MRF)?

• To sort and recover recyclable materials from the waste stream
• To burn waste for energy
• To dispose of hazardous waste
• To bury waste in a landfill

What type of change happens in matter due to the presence of oxygen?

• It stays the same
• It becomes lighter
• It changes color
• It undergoes a chemical change

What are the three elements of the Fire Triangle?

• Oxygen, carbon dioxide, water vapor
• Fuel, heat, water
• Oxygen, fuel, heat
• Nitrogen, oxygen, carbon dioxide

What is the term used to describe the property of matter that makes it capable of being drawn out into a thin wire?

• Malleability
• Ductility
• Viscosity
• Buoyancy

What is the term used to describe the property of matter that makes it capable of conducting electricity?

• Conductivity
• Reflectivity
• Opacity
• Transparency

What is the term used to describe a property of matter that determines its ability to float or sink?

• Density
• Volume
• Mass
• Weight

What term is used to describe the property of matter that determines its ability to dissolve in water?

• Density
• Solubility
• Melting point
• Conductivity

What are the examples of non-biodegradable waste?

• Glass bottles
• Banana peels
• Paper bags
• Wooden furniture