Unit 9: Undersea World

1. What is a satellite?

A type of moon orbiting a planet.

Octopus

An aquatic creature with eight tentacles.

A celestial body that orbits a star.

A satellite is not an octopus, but rather a man-made object placed in orbit around a planet for various purposes.

Explanation

A satellite is not an octopus, but rather a man-made object placed in orbit around a planet for various purposes.

2. What is a common term used to describe a large floating mass of plastic waste in the ocean?

Plastic island

Trash swirl

Polymer heap

Sky

A garbage patch refers to a large area in the ocean where plastic waste accumulates due to ocean currents and winds. It does not form a solid landmass like an island, nor does it swirl like a vortex or heap like a pile of polymers.

Explanation

A garbage patch refers to a large area in the ocean where plastic waste accumulates due to ocean currents and winds. It does not form a solid landmass like an island, nor does it swirl like a vortex or heap like a pile of polymers.

3. What is a common source of environmental pollution caused by improper disposal of hazardous materials?

Automobile emissions

Horses

Deforestation

Household garbage

Industrial waste refers to the byproducts produced by industrial activities, such as manufacturing, mining, and agriculture, which can contain harmful chemicals and pollutants. Improper disposal of industrial waste can have serious environmental consequences, including water contamination and soil pollution. Household garbage, automobile emissions, and deforestation are also sources of environmental pollution, but industrial waste is a major contributor due to the large quantities and toxicity of the waste produced.

Explanation

Industrial waste refers to the byproducts produced by industrial activities, such as manufacturing, mining, and agriculture, which can contain harmful chemicals and pollutants. Improper disposal of industrial waste can have serious environmental consequences, including water contamination and soil pollution. Household garbage, automobile emissions, and deforestation are also sources of environmental pollution, but industrial waste is a major contributor due to the large quantities and toxicity of the waste produced.

4. What is typically found on the ground in a forest?

Rock

Water

Sand

Bird feather

Leaves are a common natural element found on the ground in forests, making them an integral part of the ecosystem.

Explanation

Leaves are a common natural element found on the ground in forests, making them an integral part of the ecosystem.

5. What season is associated with snow and cold temperatures?

Spring

Winter

Summer

Autumn

Winter is the season characterized by snow and cold temperatures, while spring, summer, and autumn have different weather patterns and characteristics.

Explanation

Winter is the season characterized by snow and cold temperatures, while spring, summer, and autumn have different weather patterns and characteristics.