Math & Science Week

Team Quiz Bee

Easy Round (2 points)

Team Quiz Bee

1. The materials inside a fire extinguisher changes their form from gaseous to solid state. This change in the state of matter is called________.

a) Depositionb) Sublimationc) Evaporationd) Condensation

2. Which of the following numbers has 5 factors?

a) 12b) 16c) 20d) 24

3. The muscular and skeletal system work together to…

a) Support the bodyb) Give the body shapec) Enable the body moved) Protect the organs of the body

4. How many numbers from 1 to 100 contains digit 2 exactly once?

a) 9b) 18c) 19d) 20

5. Which of the following is an inorganic material?

a) Fatsb) Mineralsc) Proteinsd) Vitamins

6. The average of ten positive whole number is…

a) 5b) 5.5c) 6d) 10

7. Which of the following is an extensive property?

a) Massb) Boiling pointc) Textured) Density

8. Math Easy

9. Who proposed the plum-pudding model which describes atom as having embedded electrons in a uniform, positively charged proton?

a) Ernest Rutherfordb) Jhoseph John Thomsonc) Neil Bohrd) James Chadwick

10. Math Easy

11. What is the SI unit for volume?

a) Massb) Gramc) Literd) Cubic meter

12. Math Easy

13. Different substances have different density. Density is the mass of a substance divided by its volume. Which of the following substances is the densest?

a) Alcoholb) Waterc) Mercuryd) Table salt

14. Math Easy

15. Periodic table is the tabular arrangement of the elements. How many period a periodic table has?

a) 7b) 10c) 13d) 18

Average Round (2 points)

Team Quiz Bee

1. The density of an object is the ratio of its mass and ________.

a) Weightb) Heightc) Volumed) Temperature

2. How many prime numbers are less than 100?

a) 23b) 24c) 25d) 26

3.

a) 1 out of 4b) 2 out of 4c) 3 out of 4d) 4 out of 4

4.The cost of 4 pens and 6 eraser is ₱84. If each eraser cost ₱4 each pen cost…

a) 6b) 10c) 15d) 60

5. Which is not a type of simple machine?

a) Screwb) Pulleyc) Springd) Wedge

6. What is the reciprocal of )?

a) 8/15b) 7/8 + 1c) 15/8d) 7/15

7. Through experiment scientists provide evidences to support their hypothesis. Which of the following evidences provides qualitative data?a) The presence of bubbles was observed after the

reaction.b) The volume of the substance increases.c) The change in temperature indicates chemical

changed) There are more number of germinated seed in the

setup that is exposed to sunlight

8. Math Average

9. Chlorine was used as a weapon during the First World War. It has atomic number of 17. What is the maximum number in the third energy level?a) 7b) 10c) 18d) 20

10. Math Average

11. A bus travels with a constant speed of 30m/s in a straight road. What is the acceleration of the bus?

12. Math Average

13. How do you compare the density of the Earth’s crust, mantle, and core?a) The mantle is less dense than the core but

denser than the crust.b) The mantle is less dense than both the core

and the crust.c) The mantle is denser than the core but less

dense than the crust.d) The mantle is denser than both the core and

the crust

14. Math Average

15. Math Average

Difficult Round (2 points)

Team Quiz Bee

1. What is the standard unit of temperature

a) Celsiusa) Fahrenheit b) Kelvinc) Thermoset

2. What operation is indicated by the word “of” in a word problem?

a) Additionb) Multiplicationc) Subtractiond) Division

3. In Earth’s water cycle, when water vapor condenses, the water…

a) Gains heat and flow to the seab) Looses heat and form cloudsc) Gains heat and flows down to Earthd) Looses and flows down to Earth

4. When Sheena was in her 5th birthday she started to save money that corresponds to her age. Today, she is 15yrs old. What is her total savings now?

a) 105b) 110c) 115d) 120

5. The main function of hormones in the humanbody is to…

a) Identify and destroy microbesb) Regulate body functionsc) Transport blood to cellsd) Store energy

6. A bell rings every two second and a bird chirps every 3 seconds. If the ring and chirp occur together right now, they will also occur in…a) 40 secondsb) 41 secondsc) 42 secondsd) 43 seconds

7. Aaron with 45 kg mass was inside the elevator. The elevator accelerates with 2 m/s2 upward. What will be Aaron’s

apparent weight as the elevator accelerates upward?

8. Math Difficult

9. Potassium nitrate (KNO3) is an ionic compound. The atomic number of each element is K-19, N-7 and O- 8. How many total numbers of valence electrons are there in the substance?

10. Math Difficult

11. Bodies of water are polluted with toxic wastes, untreated sewage, and fertilizer run-offs from farm lands. One class of dangerous chemicals present in water is PCB (polychlorinated biphenyl). The concentration of PBC in an organism’s tissue increases at higher trophic level. What do you call this process of building up of pollutants in organisms at higher trophic levels in a food chain?