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WorksheetsScience3 Q1
Total questions: 15
Worksheet time: 8mins
I. Direction: Choose the letter of the correct answer.
1. It is a place where an experiment can be done safely.
a) mall
b) health center
c) Science laboratory
d) Barangay hall
2. These are materials that can make us feel sick if eaten, inhaled, or absorbed through the skin.
a) flammable
b) explosive
c) health hazard
d) toxic
3) It is needed to protect our eyes from harmful objects or liquids.
4. Which of the following is a sign of an environmental hazard?
5. These materials can easily catch fire when exposed to heat.
a) health hazard
b) corrosive
c) explosive
d) flammable
6. It tells you how long an object is or simply the distance between two ends.
a) matter
b) length
c) volume
d) mass
7. What tells how much an object weighs or the amount of matter an object has?
a) matter
b) mass
c) length
d) volume
8. How many grams are there in one kilogram?
a) 100g
b) 500g
c) 1000g
d) 10g
9. Which of the following is measured by milliliter?
10. It is unit of mass used for heavy objects.
a) gram
b) kilogram
c) milliliter
d) liter
II. Direction: Choose true if the situation in each item shows safety in the laboratory and false it does not.
11. Checking if the materials are safe before using them.
true
false
12. Not listening to the teacher's instruction
true
false
13. Playing fire in the laboratory
true
false
14. Wearing proper laboratory attire
true
false
15. Using broken glass instrument
true
false
