sci7 midq 1st q

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ATHENEUM

Noveleta, Cavite SCIENCE 7

HIGH SCHOOL DEPARTMENT First Mid-Quarter Examination

I. MULTIPLE CHOICE. Encircle the letter of

the best answer.

1. It is an organized and large body of knowledge

based on facts and truths known by actual

experience and observation.

a. Biology

b. Technology

c. Science

d. Ecology

2. How is technology related to science?

a. Technology studies nature

b. Technology is an applied science

c. Technology is knowledge

d. Technology is harmful

3. Which of the following statement is not true?

a. Technology is both harmful and helpful

b. Technology requires electricity to work

c. Technology makes our life easy

d. Technology is a product of science

4. Which among the following is considered asuperstition?

a. Always talk to plants so that it can produce

flowers easily.

b. Don’t go to a wake when you have open

wound because it will delay its healing

process.

c. Put your book/notes under your pillow so

that you can memorize its contents.

d. Plugging an electric device while your hand

is wet might electrocute you.

5. Which general area of science studies living

things?a. Biology

b. Chemistry

c. Physics

d. Earth Science

For items 8-10.

A group of students was asked to invest igate

how fast sugar dissolves in cold and in hot w ater .

6. If this is going to be a fair test, what variables

should they control?

a. Amount of water and sugar in each cup,

method of stirring, time when the solid is

added to water, how long each solution is

stirred.

b. Amount of water and sugar in each cup,

method of stirring, how long each solution is

stirred.

c. Amount of sugar in each cup; method of

stirring, time when the solid is added to

water, how long each solution is stirred.

d. Amount of water in each cup, method of

stirring, time when the solid is added to

water; how long each solution is stirred.

7. What is the dependent variable (what is being

measured)?

I. The temperature of water.

II. The amount of sugar.

III. The length of time that sugar completely

dissolves in hot water.

IV. The length of time that sugar completely

dissolves in cold water.

a. I only

b. II and III

c. II only

d. III and IV

8. Which of the following shows a properly

constructed hypothesis?

a. If you put sugar in hot/cold water and stir it,

then the sugar will dissolve faster/slower.

b. If you put sugar in hot water and stir it, then

the sugar will dissolve faster.c. The higher the temperature, the faster the

sugar will dissolve

d. I therefore conclude that sugar will dissolve

in water with higher temperature

9. What is the characteristic of an experiment that

shows fair testing?

a. Changing one variable at a time while

keeping others the same

b. Changing two or more variables at a time

while keeping the others the same

c. Having one independent variable and two

dependent variables.d. Having two dependent variables and one

independent variable

10. What process of scientific method is also called

“an educated guess”?

a. Observation

b. Experimentation

c. Hypothesis

d. Conclusion

11. What are you going to do if your hypothesis is

rejected?

a. Stop the experimentation

b. Make another hypothesis

c. Change your experiment

d. Copy your classmate’s result

12. What unit is best used in measuring the size of

bacteria?

a. Micrometer (μm)

b. Millimeter (mm)

c. Centimeter (cm)

d. Meter (m)

Name:

SCORE: Yr. and Section:

Subject Teacher: Mr. Timothy Paul A. Guinto Parent’s Signature



13. How many cubic centimeters (cm3) are there in

356 milliliters (mL)?

a. 3.45 cm3

b. 34.5 cm3

c. 345 cm3

d. 3,450 cm3

14. What is the proper viewing in measuring volume

of liquid?

a.

b.

c.

15. Where are you going to read the measurement

of the liquid?

16. If you dropped a stone on a graduated cylinder

with 30mL of water in it, and then the water level

rise up to 35mL, what will be the volume of the

stone?

a. 5 mL

b. 10 mL

c. 30 mL

d. 65 mL

17. Ball A and ball B has the same size but ball A is

heavier than ball B. This means that…

a. They have the same mass

b. They have the same volume

c. Ball A has greater volume than B

d. Ball B has greater mass than A

18. Which is not true regarding mass and weight?

a. They can be measured through the use of

spring balance.

b. Weight changes as you get farther from theearth, mass doesn’t.

c. Their SI unit is kilograms.

d. Weight is lesser in moon than in Earth

19. Why does water settles down at the bottom of a

container when mixed with oil?

a. because water is heavier than oil

b. because water is denser than oil

c. because water is cleaner than oil

d. because water is poured in first

20. What is the red liquid inside the thermometer

that has the capacity to go up and down

depending on the temperature?

a. Mercury

b. Water

c. Alcohol

d. Gasoline

II. MEASUREMENT. Complete the table of the

appropriate basic SI unit and tool that is

used in the following measurements.

(14 points)

Measurement Basic SI unit &abbreviation

Tool used

Length

Volume

Mass

Weight

Density

Temperature

Time

III. LINE GRAPH. Using a graphing paper, line

graph the following data on the table below.

(10 points)

Sito’s monthly savings from June to

March

Month Savings (Pesos)

June 50

July 45

August 65

September 70

October 60

November 55

December 70

January 70

February 55

March 30

(Note: Make your increment in your Y-axis [Pesos] by 5)

IV. LABORATORY EQUIPMENT. Identify the

name of each laboratory equipment. Choose

your answer from the box. (15 pts)

Beaker Test tube rack Wire gauzeTest tube holder Funnel Burner Test tube Crucible BalanceGraduatedCylinder Mortar and Pestle Magnifying glass Tripod Stirring rod Erlenmeyer Flask

1. 2.

________________ _______________

3. 4.

________________ _______________

b.a.c.



5. 6.

_________________ ________________

7. 8.

_________________ _________________

9. 10.

__________________ __________________

11. 12.

_________________ __________________

13. 14.

___________________ ___________________

15.

__________________

V. MATCHING TYPE. Match column A with the

uses of the laboratory equipment in column

B.Write your answer on the blank provided.

A B ____1. Beaker a. Measures volume of

liquids ____2. Graduated cylinder b. For heating

____3. Mortar and pestle c.Supporting apparatuswhen heating specimen

____4. Crucible and cover d. Measures mass

____5. Test tube brush e. Measures temperature

____6. Evaporating dish f. Used as a container

____7. Tripod g. For heating solids

____8. Bunsen burner h. Grinds solids

____9. Platform balance i. Used for cleaning

____10. Thermometer

____11. Magnifying glass

j. For evaporation

k. for magnifying anobject’s image

VI. ENUMERATE

1-6 The six steps in doing the scientific method

VII. EXPLAIN. Answer the following as concise

as possible. Answer in complete sentence.

(2 points each)

1. Why is an alcohol thermometer used in

measuring the temperature of the environment

rather than using a mercury thermometer?

2. What are you going to tell your friend when he

says that he will place all his notes and books

under the pillow so that he will remember all that

he studied?

sci7 midq 1st q

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