| |
| ||||||||||||||||||||||||||||
Proactive disclosure Print version   | |  Climate Change in Canada - Curriculum Tools Grade 5 - Teacher's Resource What Is Climate Change? Scavenger Hunt
Please note: These exercises are not designed to be filled out nor printed from your Web browser. Please download and print the PDF files located at the bottom of the page.
Use the climate change posters to find the information needed to complete these sentences. The headings will help direct you to where the information is located on the posters. Degrees of Variation: Climate Change in Nunavut CLIMATE CHANGE: THE BASICS Climate change is a change or variability in the _______________ of a region. _______________ can occur naturally. The Earth's temperature is regulated by a natural system known as the _______________. Name five naturally occurring greenhouse gases. ___________ ___________ __________ ___________ ___________ Problems can arise when the concentrations of these naturally occurring gases are _______________. Taking the Chill Off: Climate Change in the Yukon and Northwest Territories HOW HAS THE CLIMATE CHANGED? During the last ice age, __________ covered much of Canada and temperatures were much __________ than today in the Arctic. Major shifts in climate, such as those that resulted in past ice ages, are related to changes in the Earth's position relative to the _________. Shorter-term changes in climate can occur after major _______________. Changes in the circulation and temperature of the ____________ can also cause shifts in climate such as El Niño events. Temperature Rising: Climate Change in Southwestern British Columbia IS CLIMATE CHANGING? _______________ is the expected or general pattern of weather for a place or region over extended periods of time. Scientists are concerned that we are entering a period of unprecedented ______________ caused by humans. The greatest differences (in surface air temperature) are predicted to be at high __________ and in the __________ of continents. The _____________ century was the warmest century of the last 1000 years, and the __________ was the warmest decade of that century. The Winds of Change: Climate Change in the Prairie Provinces CLIMATES DO CHANGE __________ and __________ trends are part of the Earth's normal climatic cycles. There have been frequent changes in __________, with repeated swings from colder to warmer conditions. Over the past 140 years, Earth's _____________ has warmed. Scientists are concerned that we are entering a period of unprecedented global warming caused by _______________. Weathering the Changes: Climate Change in Ontario THE CLIMATE SYSTEM – A BALANCING ACT The main elements of the climate system include __________, __________, __________, __________, and __________. Changes to any of these elements affect the __________ of the entire system. Without this insulation (of greenhouse gases in the atmosphere), Earth would be about _____ colder than it is now, making it inhospitable to life. UPSETTING THE BALANCE In Canada, the average temperature has increased by _____ since 1948. This 'enhanced' _______________ has the potential to warm the planet at a rate never before experienced in human history. A Change in the Wind: Climate Change in Quebec WHAT IS CLIMATE CHANGE? Climate change is a change in the 'average weather', affecting these features of weather: __________, ___________, __________, and __________. The enhancement of the greenhouse effect contributes to global warming and may have various _______________ repercussions. Myth: A cool _________ or colder than average __________ means that global warming is not really a problem. The Tides of Change: Climate Change in Atlantic Canada IS CLIMATE CHANGING? Recent unusual weather conditions have everyone talking about __________. There is increasingly stronger scientific proof that __________ is real. The temperature increase has not been steady, but since the 1980s warming has __________. __________ may experience more temperature change over the next several decades than most regions of the world. Downloads:
|
