1st q science reviewer-admu-gr4
TRANSCRIPT
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1st Q- SCIENCE
I. WHAT IS SCIENCE
DIRECTIONS: Write T if the sentence is true and F if it is false.
________ 1. Science is asking questions.________ 2. Science is finding an answer.________ 3. Science is inventing new things.________ 4. Science is exploring the unknown.________ 5. Science is guessing the answer.
II. THE SCIENTIFIC METHOD
A. DIRECTIONS: Identify the step of the scientific method in the following situations. Write the letter only.
A. Identifying the problemB. Formulating hypothesisC. Conducting the experimentD. Analyzing resultsE. Making conclusionF. Applying knowledge learned
_______ 1. After two weeks, Adam noted the following:
Pot A 5 flowersPot B 9 flowersPot C 0 flowersPot D 0 flowers
________ 2. Adam thinks that his plants do not get enough sunshine.
_________ 3. Based on his data, Adam was now sure that his plants’ original position did not provide enough sunshine.
_________ 4. Adam has four pots of sampaguita plants. He transfers two pots (Pot A and Pot B) to another location, which he thinks gets more sunshine during the day. He did not move the other two pots (Pot C and Pot D). He gave all plants the same amount of water and fertilizer.
__________ 5. Adam moved Pots C and D beside Pots A and B.
__________ 6. Adam wanted to know why his sampaguita plants do not bear flowers. He waters his plants and fertilizes them regularly.
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B. CLASSIFYING VARIABLES. DIRECTIONS: Write A for independent variable, B for dependent variable and C for controlled variable.
Situation: Ben is testing two different brands of batteries to see which brand lasts longer.
______ 1. color of battery______ 2. length of time the battery will last______ 3. brand of battery______ 4. size of battery______ 5. kind of toy the battery is used on
DIGESTIVE SYSTEM
A. PARTS AND FUNCTIONS/ DIGESTION PROCESS
DIRECTIONS. Look at the illustration below. Write the name of the organs with letters A, C, D, E, and F A - ___________
C - ___________D - ___________E - ___________F - ___________
DIRECTIONS: Write T if the sentence is true and F if it is not.
(For #1-8, look at the illustration above.)
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___T___ 1. A contains the liquid that softens food and makes iteasy to swallow.
___F___ 2. E sends nutrients to the rest of the body.
___T___ 3. Most digestion occurs in C.
___T___ 4. E stores undigested food.
___T___ 5. B moves the food down the stomach through theperistalsis.
___F___ 6. Digestive enzymes are found in A only.
___T___ 7. Peristalsis happens in B and C.
___F___ 8. Digestion happens in A to E.
___T___ 9. Chemicals called enzymes cause most of the changes of digestion.
___T___ 10. Muscular contraction in the esophagus is called peristalsis.
___F___ 11. The whole lining of the small intestine is covered by enzymes.
___T___ 12. The undigested parts of food move from the small intestine to the large intestine.
___T___ 13. Saliva breaks starches in food to sugars.
___T___ 14. Blood carries the nutrients from the small intestines to the rest of the body.
___F___ 15. The rectum is the final passage way of waste.
DIRECTIONS: Write
A if the phrase describes A only,B if the phrase describes B only,C if the phrase describes A and B,D if the phrase describes neither.
___A___ 1. digests food
___A___ 2. absorbs nutrients from food
___A___ 3. has villi
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A. small intestinesB. large intestines
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___D___ 4. has peristalsis
__B____ 5. where waste is stored
__D____ 6. where food is cut into little pieces
__A____ 7. secretes enzymes that break down food
__D____ 8. where digestion starts
__B____ 9. absorbs water from undigested food
__C____ 10. part of the digestive system
Multiple Choice: Write the letter of the correct answer:
__C____ 1. Which one causes most of the changes in digestion?
A. stomachB. liverC. enzymeD. large intestine
__A____ 2. Where does digestion take place?
A. I and IIIB. II and IIIC. I, III and IVD. All of the above
__B____ 3. What if found in the lining of the small intestines?
A. enzymesB. villiC. blood vesselsD. all of the above
__D____ 4. The __________ in the mouth mixes with food and makes iteasier to swallow.
A. waterB. enzymesC. peristalsisD. saliva
__C____ 5. Changing of food into a form that the body cells can use is called ___________.
mouthesophagusstomachlarge intestine
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A. constipationB. circulationC. digestionD. respiration
B. COMMON AILMENTS
DIRECTIONS: Match column A with column B. Write the correct answer on the blank.
______ 1. ulcer a. also known as indigestion;caused by rapid and excessive eating and drinking
______ 2. gallstones b. yellow appearance of skin,vomiting and itchiness aresymptoms of this
______ 3. diabetes c. most common illness of thestomach
______ 4. dyspepsia d. commonly caused by aviral infection of the liver
______ 5. constipation e. ailment of the pancreas;characterized by having excess sugar in blood andurine
______ 6. hepatitis f. can cause dehydration
_______ 7. jaundice g. block the passage of bilefrom the gall bladder to theintestines; formed from bilesalts, cholesterol and calcium carbonate
_______ 8. diarrhea h. can be cured by drinkingplenty of water and eatingfruits and green vegetables
DIRECTIONS. Write the letter of the best answer.
_______ 1. Gallstones can cause symptoms like:
I. Abdominal painII. Nausea and vomitingIII. Abdominal fullness
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a. I and II only c. I, II and III b. II and III only d. none of the above
______ 2. What should you AVOID if you are constipated?
I. Eat fatty and greasy foods like hamburgers and fries.II. Drink more water everyday.III. Do not eat at all.
a. I only c. I and II onlyb. II only d. all of the above
_______ 3. What are the factors that cause ULCERS?
I. Not eating regularly or not eating at allII. Taking or drinking pain relieversIII. Excessive intake of caffeine
a. I and II only c. II and III onlyb. I and III only d. all of the above
C. CARE FOR THE DIGESTIVE SYSTEM
DIRECTIONS. Name two ways of keeping your digestive system healthy.
1. ____________________________________________________
_______________________________________________________
2. ____________________________________________________
_______________________________________________________
DIRECTIONS. Fill in the table. Name the nutrients that your body needs to work well, an example and the nutrients’ contribution to your body. The first nutrient is done for you.
Nutrient Example Contribution
Proteins Meat Build new cells for healthy muscles and skin
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IV. THE EXCRETORY SYSTEM
A. PARTS AND FUNCTIONS OF THE URINARY SYSTEM
DIRECTIONS: Write the letter of the part that is being described.
________1. kidney
________2. urethra
________3. bladder
________4. ureter
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________5. bag-like part
________6. filters out cell wastes from blood
________7. where urine is stored
________8. bean-shaped organ found on each side of body
________9. tube where urine is released from the body
________10. narrow tube that connects the bladder and kidneys
B. OTHER EXCRETORY ORGANS
DIRECTIONS: Answer the following questions in 1-2 sentences.
1. How do your lungs function as excretory organs?
_______________________________________________________
_______________________________________________________
2. How does the skin function as an excretory organ?
_______________________________________________________
_______________________________________________________
C. COMMON AILMENTS
DIRECTIONS. Circle the letter of the correct answer.
1. When the chief excretory organ fails to function in filtering and excreting wastes from the blood, ____________ develops.
a. uremia c. kidney stonesb. urinary tract infection d. asthma
2. These are formed when salts crystallize in the kidney tissue.
a. uremia c. kidney stonesb. urinary tract infection d. asthma
3. This is performed on patients with uremia, to remove wastes from the blood.
a. prescribe medicines c. lithotripsy
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b. surgery d. dialysis
4. Symptoms of this ailment include painful urination and the presence of blood or pus in the urine.
a. uremia c. kidney stonesb. urinary tract infection d. asthma
5. Which of the following do not affect the excretion of gaseous waste from the body?
a. skin disorders c. tuberculosisb. emphysema d. asthma
6. Which of the following is not a mode of removing kidney stones?
a. surgery c. lithotripsyb. large fluid intake d. dialysis
7. UTI can be treated by ____________.
a. surgery c. lithotripsyb. antibiotics d. dialysis
8. Chills, fever, spasms and acute pain are symptoms of this.
a. uremia c. skin diseaseb. urinary tract infection d. kidney stones
D. CARE FOR THE EXCRETORY SYSTEM
DIRECTIONS: Write √ if the sentence describes a proper way of caring for your excretory system and X if it does not.
_______ 1. Urinate when you feel like it.
_______ 2. When playing sports, wear gear to protect your organs.
_______ 3. Eat lots of salty foods.
_______ 4. Drink plenty of fluids.
_______ 5. Take baths or showers regularly.
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REVIEW YOUR ANSWERS!
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