Science Quiz on Measurement and Properties

Thomas Alva Edison failed a thousand times while inventing the incandescent light bulb. Despite this, he didn't lose heart and continued his quest. What scientific attitude is exhibited by Thomas Alva Edison?

• Integrity

• Perseverance

• Open-mindedness

• Critical-mindedness

Laboratory apparatus below are suitable for accurate measurement of volume of a liquid, except _________.

• measuring cylinder

• burette

• volumetric pipette

• beaker

What do the signs below indicate?

• Explosive and toxic

• Flammable and harmful to environment

• Oxidising and poisonous

• Flammable and biohazard

Which of the following statements is correct?

• Chemicals can be tasted without teacher’s permission.

• Students need not report minor cuts, which happen in the laboratory.

• Excess chemicals should be poured back into the bottle.

• Chemicals should not be taken out of the laboratory without teacher’s permission.

An experiment was carried out to determine how the amount of light affects plant growth. What are the dependent and independent variables in this experiment?

• Plant growth, Type of plant

• Amount of light, Duration of sunlight

• Height of the plant, Time of the day

• Plant growth, Amount of light

In a study exploring how different types of music affect heart rate, which of the following would be considered controlled variables but NOT an independent or dependent variable?

• (i) and (ii)

• (i) and (iii)

• (ii) and (iii)

• (iii) and (iv)

What are the SI units for mass and length, respectively?

• gram and centimetre

• kilogram and kilometre

• kilogram and metre

• gram and milimetre

There are ___ meters in 25 kilometers.

• 250 m

• 2500 m

• 25 000 m

• 0.025 m

A cube with sides of 2 cm is made from a material with 2 g/cm3 density. What is the mass of the cube?

• 2 g

• 4 g

• 8 g

• 16 g

Which of the following metals will sink to the bottom of a tall jar containing an unknown Liquid Y of mass 165 g and volume of 20 cm3?

• (i), (ii) and (iv)

• (i) and (iii)

• (i) and (iv)

• (iv)