Sci9-UC-C3 Review

Tiny spaces in the soil between the soil grains are called …

• pores
• peats
• permeables
• impermeables

Some water can soak into the soil, dissolving harmful chemicalls. This liquid is called …

• pollutant
• limestone
• leachate
• acid water

The BEST WAY to keep the environment safe from potentially harmful substances is …

• dispersion
• dilution
• prevention
• biodegradation

WHMIS was set up to provide information on hazardous materials used in the …

• Science lab
• Research lab
• Workplace
• Household

The creation of the MSDS information sheet is the responsibility of the …

• consumer
• employer
• supplier
• government

When transporting harmful materials they must be placed in …

• plastic bags
• wooden crates
• the car trunk or truck box
• recycled plastic bins

A new coal-powered generating plant has been constructed in central Alberta. An environmental group is concerned about airborne pollutants being released into the atmosphere.The electric company has agreed to monitor airborne pollutants at four sites surrounding the plant. Knowing that the prevailing winds blow from the northwest, where would you expect to find the highest airborne pollutant levels from the generating plant?

• Site 1
• Site 2
• Site 3
• Site 4

Many factors can contribute to the distance airborne pollutants travel from their source before being deposited on the ground. Which conditions would result in pollutants travelling the least distance from their source before being deposited on the ground?

• a hot, windy day in summer
• a cold, calm day in winter
• a warm, foggy day in fall
• a cool, rainy day in spring

A new landfill site is being constructed in your city. The project engineer must decide what material he will use at the bottom of the site to prevent pollutants from seeping into the groundwater below. Which natural material would best serve this purpose?

• Gravel
• Sand
• Rocks and boulders
• clay

As water moves through the ground, it reaches a zone where all the spaces between soil particles are filled with water. This zone is called the

• Permeable zone
• Water Table Zone
• Groundwater zone
• Aqueduct zone