Science

A potted plant is placed near a window through which light enters, and left there for three weeks. Which of the following observations is MOST likely made at the end of the three-week period?

• The plant began growing towards the window

• The plant grew to ten times its original height

• The plant began growing away from the window

How many stages are there in the metamorphosis of a butterfly?

• 3

• 4

• 5

Why is it NOT advisable to leave plants indoors at night?

• Both humans and plants compete for oxygen

• Harmful gases can be released by the plant

• Too much oxygen would be released by the plant during photosynthesis

The intensity of Hurricane Earl was MOST likely measured using the

• Imamura-lida intensity scale

• Richter scale

• Saffir-Simpson scale

Hurricane Earl hit Sint Maarten with 110 mph winds. Which of the following best describes the strength of Hurricane Earl at the time it hit Sint Maarten?

• Category 1

• Category 2

• Category 3

Which of the following is MOST likely to cause a housewife to perform a water audit by reading her water meter every day of the week?

• A desire to be trained as a meter reader

• The need to conserve water

• To determine if the water is polluted

Which of the following is a property og carbon dioxide?

• colorless

• insoluble

• odourless

The quantity of liquid in a container is measured as

• area

• mass

• volume

Which of the following is NOT an example of a physical change?

• a gas explosion

• cutting up a piece of plywood

• water in a bottle freezing as ice

Which of the following functions is carried out by the digestive and respiratory systems when they work together?

• keeping the supply in an erect position

• supplying the body with energy

• providing cells with oxygen