5th Grade Science

Air enters through the mouth or nose and travels through the…

• Trachea

• Bronchi

• Alveoli   

•  Bronchioles

There, oxygen enters the blood and ____    _____ leaves the blood and enters the ________.

• Dioxide, Carbon, Alveoli

• Alveoli, Carbon, Dioxide

• Alveoli,Dioxide, Carbon

• Carbon, Dioxide, Alveoli

The air flows back out through the _______ and then through the larger ______.

• Bronchi, Bronchioles.

• Bronchioles, Bronchi.

• Bronchi.

• Bronchioles, Alveoli.

4) What is the correct order in this food chain?

• A)rat, wheat, hawk, snake

• B)Wheat, rat, snake, and hawk

• C)wheat, rat, hawk, and snake

•  D) hawk, rat , snake , and wheat

5)  The organ of taste is your tongue. When food enters to the mouth, structures on the tongue sense ______ in the food. These structures are called _________.

• Chemicals,taste buds

• eardrum, cochlea

• hammer, taste buds

• chemicals, eardrum 

6) The idea that living things are made of cells, that all life processes take place in cells, and that new cells come from existing cells is known as _______.

• Heart 

• tissue 

• cell theory

• nucleus

7) Cells that work together are called __________.

• organ system

• organ

• tissue

• human body

8) Several organs that work together make up an

• tissues

• organ

• organ system

• human body

9) The part of the body that connects bones together at joints…..

• bones

• joints

• ligaments

• marrow

10) What is a habitat?   

• The place where an organism lives within an ecosystem.

• A group of organisms of the same species in an ecosystem.

• all the populations that live and interact in an area.