SCI MATH SHS QUIZ BEE

A substance that pollutes something, especially water or the atmosphere is called

• dirt
• pollutant
• oxygen
• precipitant

Liquid water changing slowly into a gas and rising into the atmosphere is called

• evaporation
• condensation
• rain
• typhoon

Which measures air pressure?

• Thermometer
• Accelerometer
• Barometer
• Anemometer

A local wind that blows from an ocean or lake is

• global wind
• thunderstorm
• equator
• sea breeze

Organic matter is a main part of soil. What is the other main part of soil?

• worms

• dirt

• water

• inorganic matter

What is an inexhaustible resource?

• A resource that can be replaced or recycled.

• A resource that will not run out.

• A resource that cannot be replaced at all, or cannot be replaced as fast as people use it.

An electron is

• positively charged

• neutral

• negatively charged

atomic number is

• the number of protons

• the number of electrons

• the number of neutrons

• the location of an atom on the periodic table

which of the statements on physical changes are correct

• A physical change cannot be reversed

• A physical change is a change in state

• A physical change is a change in form

• A physical change is where new substances are formed

Characteristics of metals on the periodic table are

• they are not able to be oxidised

• they are poor conductors of heat and electricity

• have free electrons