Soil and Its Components Quiz

What is healthy soil a mixture of?

• Water, air, minerals, and organic matter

• Sand, rocks, and plastic

• Water, oil, and metal

• Air, glass, and rubber

What does organic matter in soil consist of?

• Plant and animal materials that are decomposing

• Only rocks and minerals

• Water and air only

• Plastic and metal pieces

Why is organic matter important for plants?

• It produces most of the nutrients that plants need to grow

• It makes the soil look darker

• It keeps the soil dry

• It attracts insects

What is one way farmers can reduce topsoil loss?

• Crop rotation

• Burning the fields

• Adding more water

• Using only one type of crop forever

Where was Soil Sample A collected from in the activity?

• Under hedges planted in front of a nearby apartment building

• From the middle of a river

• From a mountain top

• From inside a classroom

What are the two main types of fish caught by commercial fishers at Blue Lake?

• Orange fish and yellow fish

• Red fish and blue fish

• Green fish and purple fish

• Black fish and white fish

Why do people in the Blue Lake community catch fish?

• To feed their families and earn money

• To use as pets

• To clean the lake

• To use as decorations

What is a common resource?

• A shared supply of something that can be used when needed

• A private item owned by one person

• A rare and expensive object

• A type of plant found in forests

Which fish is worth more money in Blue Lake?

• Yellow fish

• Orange fish

• Blue fish

• Red fish

What will you investigate in the activity described in the text?

• How human use of a common resource can affect its sustainability

• How to build a fishing boat

• How to cook fish

• How to swim in a lake