Semester 1 Review for Sixth Grade Science

Semester 1 Review for Sixth Grade Science

by Yoshy Faweta

Poll

Which chapter is the easiest for you?

• Human Organs and Organ Systems

• More About Changes

• Food Chain

• Caring For the Environment

Human Organs and Organ Systems​

Multiple Choice

Study this organs. In which system do these organs work?

• digestive system

• respiratory system

• excretory system

• circulatory system

​Excretory System

​Handle in removing waste product, excess water, and salt from our body

Multiple Choice

These organs work in ....

• digestive system

• nervous system

• respiratory system

• circulatory system

Multiple Choice

These organs work in ....

• digestive system

• nervous system

• respiratory system

• circulatory system

Multiple Choice

Which picture shows trachea?

Multiple Select

Organs of respiratory system are ....

(two correct answers)

Multiple Choice

This picture is modelling our respiratory system. Part of the model labelled by "X" represents ....

• nose

• diaphragm

• alveoli

• trachea

More About Changes​

Multiple Choice

Study this picture.

The correct tool for separating this mixture is ....

Multiple Select

Two beakers contain solution are ....

• A

• B

• C

• D

• E

Multiple Choice

Beaker contain irreversible change is ....

• A

• B

• C

• D

• E

​The explanation for question number 10

A. ​in beaker A we cannot see the solid inside the water after mixing because the solids dissolve

​B. ​in beaker B although the water becomes colored we also can't see the solids anymore it means the solid dissolve (for example; instant coffee powder in water)

​

C. There are bubbles in beaker C, which means there is a new substance produced

​D. solids in beaker D sinks (not dissolve)

E. ​solids in beaker E floats (not dissolve)

Multiple Choice

The conclusion of the experiment is ....

• The more the water the longer time taken to dissolve

• The more the water the shorter time taken to dissolve

• The less the water the faster the dissolving time

• The less the water the shorter time taken to dissolve

Multiple Select

Reversible changes are shown by picture ....

(choose 2 correct answers)

Food Chain​