G5 11-12

Where does the energy start in this food chain?

• Plant
• Sun
• Deer
• Wolf

What is the role of decomposers in a food chain?

• Use sunlight to make food
• Eat other organisms to gain energy
• Make the food for the whole food chain
• Break down dead organisms and add nutrients to the soil

What does a food chain represent?

• How all living organisms within a habitat are connected.
• All of the things that a particular animal eats.
• How plants create their own food.
• A single path of energy transfer within a habitat.

An ______ is an independent living thing.

• consumer
• producer
• organism
• herbivore

The process of removing salt from sea water.

• Evaporation

• Desalination

• Perspiration

To stay healthy, we need clean and safe water.

• True

• False

What does distillation need to work?

• high pressure
• low pressure
• high temperature
• low temperature

Which is an example of a chemical change?

• melting ice to make water
• baking cake batter to make a cake
• putting cheese on bread to make a cheese sandwich
• cutting an orange into slices for a snack

glass breaking

• physical change
• chemical change

What is VOLUME?

• how heavy an object is

• the amount of space occupied by a 3D object.

• how much matter is in an object

• the shape of the object