Which instrument is most suitable to use to measure the waist of a person ?
measuring tape
15
A measure of the quantity of matter in a body.
mass
15
1 ton is equal to _______________ kg
1000
10
The distance between two specified points.
length
15
The amount of space an object occupies.
volume
15
What does the hazard symbol mean?
biohazard: substances that pose a potential danger or risk to human life
25
3 major branches of Science
Physics, Biology, Chemistry
20
Describe the following positive attitudes that we should have when carrying out scientific inquiry: objectivity, perseverance and curiosity.
Objectivity are based on facts and are free from bias(personal opinion). Perseverance means not to give up.Curiosity is a strong desire to know or learn somethi
25
True or false: Science is the study of the natural and physical world
true
10
The _______________ of a materials is the temperature at which it changes in state from a solid to a liquid.
melting point
15
____________ are the most widely used system of units to the people of the entire world in technical and scientific research to avoid the confusion with the units.
SI/ Systeme International d' Unites
15
1 ml= ______L
0.001 L
10
What does the hazard symbol irritant mean?
A substance that may cause irritation to the skin, eyes or inside your body.