HAPPY THANKSGIVING TO MY USA FANS!

We must not forget to give thanks to the Almighty, Supreme, and Infinite God, each day that we have the breath of life. If your heart beats 72 beats per minute automatically, if you can perform the basic functions of life, if you can see and hear, or even reason and think, you must be grateful to your maker and creator. As you eat your turkey and drink various drinks, take a moment to say a

PRAYER 

OF

THANKSGIVING 

TO 

THE ONE WHO CREATED YOU

 AND 

BROUGHT YOU INTO BEING.

HAPPY THANKSGIVING TO ALL MY FAITHFUL FANS 

AND 

FOLLOWERS IN THE USA!

THE DIVERSITY OF FISHES

VIDEO ANIMATION ON ACTION POTENTIAL

This is a video produced by one of my students as part of her class science project on action potential. Enjoy watching it!

SCIENCE TEST MODULE 1

ANSWERS TO SCIENCE MODULE 1

1.   If the hydrogen ion concentration of a solution is 1 x 10^-5. What is the pH of the solution?

A.    1

B.     10

C.     5

D.    2

2.   If the hydrogen ion concentration of a solution is 1 x 10^-3. What can you say about the solution?

A.     It is a weak acid

B.      It is a strong acid

C.      It is a weak base

D.     It is a strong base

3. A student placed a blue ink drop in a jar of water. After some time, the whole water turned blue.  

Which of the following processes occurred?

      A. Osmosis

      B. Simple Diffusion

      C. Active Diffusion

      D. Facilitated diffusion

4. Water enters the roots of plants by which of the following process?

     A. Osmosis

     B. Simple Diffusion

     C. Active Diffusion

     D. Facilitated diffusion

5. Oxygen from the atmosphere enters the blood from the lung by ____________________ .

    A. Osmosis

    B. Simple Diffusion

    C. Active Diffusion

    D. Facilitated diffusion

6. During the formation of sodium chloride (NaCl), sodium loses one electron from its outermost shell (valence shell) to chlorine. Which type of bond is formed between these two atoms?  

   A. Metallic bond

   B. Ionic bond

   C. Covalent bond

   D. hydrogen bond

7. When a red blood cell (RBC) is placed in a hypertonic solution, it will ____________________

   A. Increase in size

   B. Shrink

   C. Rupture

   D. Remain the same

8. How would cream crackers taste if it is chewed slowly?

    A. Sweet    

    B. Bitter    

    C. Sour      

    D. Tasteless

9. What will be the end-product of sucrose digestion?

    A. glucose    

    B. glucose and galactose  

    C. galactose and fructose    

    D. glucose and fructose

10. Which of the following will turn blue-black when tested with Lugol's solution?

    A. protein  

    B. starch    

    C. glucose    

    D. fructose