SCI-GALING GRADE 7

Multiple Choice

1.     Which of the following refers to the basis for describing the position of an object?

• A. distance

• B. displacement

• C. point of reference

• D. velocity

Multiple Choice

2.     What does the slope of a distance vs time graph represent?

 

• A. acceleration

• B. distance

• C. displacement

• D. speed

Multiple Choice

3.     What do wave carry as they move?

• A. disturbance

• B. energy

• C. force

• D. matter

Multiple Choice

4.When a longitudinal wave travels in a medium, the particle of the medium _______?

• a.     do not move

• b.     move perpendicular to the direction of wave travel

• c.     move opposite to the direction of wave propagation

• d.     travel parallel to the direction of the wave propagation

Multiple Choice

5. It is the distance between two successive particles that are in phase.

 

 

• A. amplitude

• B. frequency

• C. period

• D. wavelength

Multiple Choice

6. Which component of white light has the greatest energy?

• A. blue

• B. green

• C. orange

• D. violet

Multiple Choice

 

7. If a color has a short wavelength, what type of frequency does it have?

• A. high

• B. low

• C. moderate

• D. not determined

Poll

8. Which color has the longest wavelength?

 

• A. blue

• B. green

• C. red

• D. yellow

Multiple Choice

9. What do you call the basic unit of an elements of a matter?

• A. atom

• B. energy

• C. molecule

• D. sub – atomic particle

Multiple Choice

10. Which of the following most describes science?

• A.     Science is an organized or systematized body of knowledge based on facts, theories, principles, and keen observation.

• B.     Science is dealing with plants and animals.

• C.    Science is just dealing with experiments and to become a scientist.

• D.    Science is everything.

Multiple Choice

11. It is the scientific way of solving problems, with step by step procedure.

• A.     Science

• B. observation

• C. scientific method

• D. investigation

Multiple Choice

12. Which of the following steps in the scientific method is also known as "intelligent guess or educated guess?

• A. hypothesis

• B. gather data 

• C. draw conclusion 

• D. observation

Multiple Choice

13. What is the 1st step of the scientific method?

• A.     test the hypothesis

• B.    analyzed data 

• C. draw conclusion

• D. observation

Multiple Choice

14. What kind of observation is "pink bag of a girl"?

• A.     qualitative observation 

• B.     quantitative observation

• C. both A & B

• D. none of these

Multiple Choice

15. What kind of variable is being described "this refers to the possible cause of change. the variable that can  be manipulated in the experiment"?

• A.     independent variable 

• B.     dependent variable

• C. control variable

• D. all of these

Multiple Choice

16. What is anything that occupies a place and has mass and volume?

• A.     Science

• B. Biology 

• C. Matter

• D. Physics

Multiple Choice

17. Which is NOT a pure substance?

• A.     element

• B. mixture

• C. compound

•        D. oxygen

Multiple Choice

18. Which is NOT true about the concentration?

• A.     Concentration is the measure of the amount of solute that has been dissolved in a given amount of solvent or solution.

• B.     Concentration of solution can be concentrated or diluted.

• C.    Concentration of solution is can be calculated.

• D.    Concentration of solution, it can be expressed qualitatively ONLY.

Multiple Choice

19. If Anna mixed a juice powder and water because she will make a juice drink, she will create a _____?

• A.     solution

• B. solvent

•                                 C. solute

•                                 D. element

Multiple Choice

20. Which of the following is being described as "a substance being dissolved by another substance"?

• A. solution

• B. solvent

• C. solute

• D. mixture

Multiple Choice

21. Which of the following organelles is not present in animal cell but present in plant cell?

• A.     cell membrane

•   B.     cell wall

•                                   C. ribosome

•                                    D. smooth endoplasmic reticulum

Multiple Choice

22. Which the following organelles is found ONLY in plant cell?

• A.     cell wall

• B.     mitochondria

• C.  nucleus

• D. rough endoplasmic reticulum

Poll

23. Which of the following organelles act as the "powerhouse" that gets off the cell things down?

• A.     cytoplasm

• B.     lysosome

• C. mitochondria

• D. vacuole

Multiple Choice

24. Which level of biological organization in nature describes the "basic, structural, and functional unit of life"?

• A. cell 

• B. community

• C. organ system

• D. population

Multiple Choice

25. Which part of the microscope is used to "gather light whether natural or artificial"?

• A.     base

• B. fine focus/adjustment        

• C. mirror

• D. revolving nosepiece

Multiple Choice

26. Which of the following is used to locate the exact places on the Earth?

• A.     the lines of latitude

• B.     the lines of longitude

• C. the intersecting lines of latitude and longitude

•                                     D. a neighboring area to describe the location

Multiple Choice

27. In what direction do winds blow?

• A.     from high pressure areas to low pressure areas

• B.     from low pressure areas to high pressure areas

• C. from the northeast to the southwest

• D. from the southwest to the northeast

Multiple Choice

28. In which atmospheric layer is most water vapor found?

• A.     Mesosphere

• B. Stratosphere

• C. Thermosphere

• D. Troposphere

Multiple Choice

29. What are the two large landmasses found at the North and South of the Philippines?

• A.      Asia and Australia

• B. Asia and Indonesia

• C. Australia and Malaysia

• D. Indonesia and Malaysia

Multiple Choice

30. Which of these bodies of water is found at the East of the Philippines?

• A.     Celebes Sea

• B. Luzon Strait

• C. Philippine Sea

• D. Sulu Sea