District Science Fair Question 2.docx

GRADE 6 AVERAGE QUESTION 1. ______________ is the rumbling sound in the stomach. It is the signal from your brain that the stomach has begun the digestion. Answer: Borborygmus Reference: The New Scinece Links, Evelyn Costante – Padpad, pg. 130 Competency: The learner should be able to explain how the organs of each organ system work together. Code: S6LT – IIa – b – 1 2. _____________ are animals without any body activities. Answer: Acoelomate Reference: The New Scinece Links, Evelyn Costante – Padpad, pg. 217 Competency: The learner should be able to determine the distinguishing characteristics of vertebrates and invertibrates. Code: S6LT – IIe – f – 3 3. Why our heart does beats fast when we exercise? 4.

GRADE 5 AVERAGE QUESTION: What constellation can be observed from the Northern Hemisphere during the months of July, August, and September? ANSWER: CYGNUS REFERENCE: The New Science Links, Evelyn T. Larisma, 2017, pg. 403 COMPETENCY: Identify star pattern that can be seen at particular times of the year.

DIFFICULT QUESTION: How can water be a factor in both chemical and mechanical weathering? ANSWER: In mechanical weathering, the force of water can break the rocks into smaller pieces, while in a form of acid rain, it can break the rock through a chemical weathering. REFERENCE: The New Science Links, Evelyn T. Larisma, 2017, pg. 321 COMPETENCY: Describe how rocks turn into soil.

CLINCHER QUESTION: How does electric circuit works? ANSWER: When the battery is connected to a light bulb, the voltage across the battery generates a current that lights the bulb. REFERENCE: The New Science Links, Evelyn T. Larisma, 2017, pg. 272 COMPETENCY: Infer the conditions necessary to make a bulb light up.

GRADE 3 AVERAGE QUESTION: What is the ability of an animal to make themselves look like their surroundings, so they cannot be seen? ANSWER: CAMOUFLAGE REFERENCE: The New Science Links Grade 3, Unit 3 – pg. 118 COMPETENCY: Second Quarter: Living Things and their Environment: Classifying animals according to body parts and use

DIFFICULT QUESTION: How does the weather instruments and measurements help the Meteorologists in studying the weather? ANSWER: Weather instruments and measurements allow Meteorologists to make predictions on weather conditions in the near future.

CLINCHER QUESTION: How does the temperature arises and decreases in a certain object? ANSWER: The object’s temperature arises when heated and decreases when cooled. REFERENCE: Science 3 Kagamitan ng Mag – aaral pg. 26. CG. Pg. 17. COMPETENCY: Describe changes in materials based on the effectcs of temperature.

QUESTION: Why is it important to use a reference objects in describing the position of an objects? ANSWER: It is important to use a reference object to be able to give the precise position of the object. REFERENCE: Science Teacher’s Guide 3, Unit 3, pg. 124 COMPETENCY: Describe the position of an object in relation to reference point.

GRADE 4 AVERAGE QUESTION: _______________ transmit or sends radio signal. These signals give information about weather. A radiosound is attached to a balloon filled with helium gas. The air is set free into the air. ANSWER: WEATHER BALLOON

DIFFICULT QUESTION: Why do opaque objects form shadows? ANSWER: Because they cover the light that hits them. REFERENCE: TG. PG. 363 COMPETENCY: Describe the changes in the position and length of shadows in the surrounding as the position of the sun changes. CLINCHER QUESTION

GRADE 3 AVERAGE E