REVIEWER for Science-6

I.                   MULTIPLE CHOICE

Choose the letter of the correct answer and write it on the blank before each number.

____	1.     Sofia wanted to find out the difference between plant cell and an animal cell. She wrote on her report. “The plant cell has larger vacuole than the animal cell. ” The statement is best described as: A.  Conclusion              B. Hypothesis               C. Problem                    D. Observation
____	2.     How many sperm cells are needed to fertilize an egg cell? A.   One                        B. two                           C.  three                        D. Observation
____	3.     Where do the nutrients pass through from the mother to the fetus? A.    Vagina                 B. Intestines                  C. Umbilical Cord         D. Fallopian Tube
____	4.     When do our lungs expand? A.    When our diaphragm expands                    C. When we inhale B.     B. When our chest cavity is smaller             D. When we exhale
____	5.     Which of these is the correct path of the air going to the lungs?       A.  nose → larynx → pharynx → trachea → lungs            B.  nose → trachea → lungs → pharynx  → larynx C.     nose → pharynx → larynx → lungs → trachea        D.     nose → pharynx → larynx → trachea  → lungs
____	6.   What process involves the use of a machine to help a malfunctioning kidney?       A. Surgery                          B. Excretion                       C. Dialysis                                          D. Transplant
____	7.   Which of the following are examples of chemical change?       A. burning wood and cementing process       C.   cementing process and boiling water       B. ripening of fruits and burning wood          D.   burning of wood and boiling water
_____ 8..   A skater started to move on his skateboard. Where will be his speed greatest and                    why?                                               A. dry ground for friction is least                  C.  dry sand for friction is least              B. sandy road for friction is greatest             D.  dry cemented road for friction is least
____	9.   What three things set the earth apart from the other planets?       A. Abundance of air, water, and life                     B. Plenty of iron, nickel, and diamonds       C. Abundance of water, soil, and rocks              D. Deep oceans, high mountains, and active volcanoes
____	10. Which of the following is NOT a characteristic of a planet?       A. It rotates and revolves.                                           C.   It produces its own light.       B. It has its own atmosphere.                                      D.   It has a satellite.