Republic of the Philippines DEPARTMENT OF EDUCATION Region III STO. CRISTO NATIONAL HIGH SCHOOL Guzmanville, Sto. Cristo, City of San Jose del Monte Tel. No. (044) 7970438 local 1-5 | Email Ad: scnhs_2010@yahoo.com QUIZBEE QUESTIONS SCIENCE 7 EASY 1. Which statement describes the solute? a. It is solid formed in solution b. It is the liquid part of the solution c. It is the component of a solution in smaller amount d. It is the component of a solution in bigger amount Answer: C 2. Calcium chloride is a compound of the two elements calcium and chlorine. Which of the following statement is TRUE? a. calcium chloride is listed in the periodic table b. the symbol for calcium chloride includes Ca and Cl c. chlorine may still broken down into a simpler form d. calcium and chlorine belong to the same group in the periodic table Answer: B 3. The organ systems of plants consists of the root and shoot systems. Why is it important for these organ systems to work together? a. To grow and survive b. To avoid pests and other animals c. To survive floods and strong winds d. To survive droughts and earthquakes Answer: A 4. If the chloroplasts of plant cell are damaged, which will it be unable to do? a. Protect the cell b. Make food for the cell c. Excrete waste materials d. Give instruction for cell to reproduce Answer: C 5. A sperm cell unites with an egg cell to form a zygote. Which process is taking place? a. Pollination b. Fertilization c. Asexual reproduction d. Vegetative propagation Answer: B AVERAGE 1. Compared to a thin string of the same length and tightness a thick string produces sounds of ______. a. The same pitch b. Lower pitch c. Higher pitch d. Lower then higher pitch Answer: B We Serve and Commit with Nationalism, Humility and Sincerity. Republic of the Philippines DEPARTMENT OF EDUCATION Region III STO. CRISTO NATIONAL HIGH SCHOOL Guzmanville, Sto. Cristo, City of San Jose del Monte Tel. No. (044) 7970438 local 1-5 | Email Ad: scnhs_2010@yahoo.com 2. How does the wavelength of infrared (IR) compare with the wavelength of ultraviolet (UV) waves? a. Infrared waves have longer wavelength b. Infrared waves have shorter wavelength c. IR waves have the same wavelength as the UV waves d. IR is not comparable in wavelength with the UV waves Answer: A 3. In a transverse wave, the individual particles of the medium a. Move in circles b. Move in ellipses c. Move parallel to the direction of travel d. Move perpendicular to the direction of travel Answer: D 4. Which of the following is not a property of solution? a. It has a definite composition. b. It has a homogeneous composition. c. It is consist of a single phase. d. It can be physically separated into its components. Answer: D 5. If you comb your hair and the comb becomes positively charged, what will happen to your hair? a. It will remain uncharged b. It will be repelled by the comb c. It will become positively charged d. It will become negatively charged Answer: D DIFFICULT 1.Which of the following is true about an object that travels 5 meters to the left, then 2 meters up, then another 5 meters to the right? a. The displacement of the object is equal to 12 meters b. The total distance travelled by the object is equal to 12 meters c. The displacement of the object is equal to 12 meters down d. The total distance travelled by the object is equal to 12 meters down Answer: B 2. The label of the 200ml., rubbing alcohol that Mrs. Herrera bought shows that it contains 40% ethyl alcohol. What is the volume of ethyl alcohol? a. 80ml b. 70 ml c. 60 ml d. 50 ml Answer: B We Serve and Commit with Nationalism, Humility and Sincerity. Republic of the Philippines DEPARTMENT OF EDUCATION Region III STO. CRISTO NATIONAL HIGH SCHOOL Guzmanville, Sto. Cristo, City of San Jose del Monte Tel. No. (044) 7970438 local 1-5 | Email Ad: scnhs_2010@yahoo.com 3. A one peso coin has a mass of 5.5 grams. How many grams of copper are in one peso coin containing 75% copper by mass? a. 2.0g copper b. 3.0 g copper c. 4.0 g copper d. 5.0 g copper Answer: C 4. Our oceans have salinity of 3.5%. Meaning the ocean could still hold a higher concentration of salt. Which of the following best describes the concentration of the ocean? a. The ocean is unsaturated b. The ocean is supersaturated c. The ocean is saturated d. The ocean is concentrated Answer: A 5. What is the basis for the division of the layers of the atmosphere surrounding Earth? a. Changing temperature b. Changing amount of oxygen c. Changing weather patterns d. Changing composition of gases Answer: D CLINCHER 1.When mixed very well, the components of a mixture______________________. a. can no longer be separated by physical means. b. combine to form an entirely new substance. c. still retain their individual properties. d. lose their individual properties. Answer: C 2. During a solar eclipse, the Sun will be completely hidden from your view when ____________________. a. the Moon’s umbra does not reach the Earth. b. you are in the umbra of the Moon’s shadow. c. you are in the penumbra of the Moon’s shadow. d. the Moon is in the umbra of Earth’s shadow. Answer: B. 3. Which two parts of the light microscope magnify the image of an object? a. eyepiece and mirror b. eyepiece and objectives c. objectives and mirror d. objectives and diaphragm Answer: B We Serve and Commit with Nationalism, Humility and Sincerity. Republic of the Philippines DEPARTMENT OF EDUCATION Region III STO. CRISTO NATIONAL HIGH SCHOOL Guzmanville, Sto. Cristo, City of San Jose del Monte Tel. No. (044) 7970438 local 1-5 | Email Ad: scnhs_2010@yahoo.com 4. Which of these elements is mostly needed by the bones to function well? a. iron b. calcium c. carbon d. boron Answer: B 5. Jill has an unopened box of a 2-meter foil labeled 100% made of aluminum. Aluminum is a substance; Jill takes just a thumb-size piece of aluminum foil. Which of the following statements is TRUE about the piece of aluminum foil that Jill took compared with the rest that was left in the box? a. Its mass and melting behavior are different. b. Its mass and melting behavior are the same. c. The mass is different but the melting behavior is the same. d. The mass is the same but the melting behavior is different. Answer: C References: SCIENCE Grade 7 Learner’s Material. Department of Education Dynamic Science An Integration of Physical and Biological Science Vibal Publishing House Inc. Prepared by: Aphril C. Ilao We Serve and Commit with Nationalism, Humility and Sincerity.
