1 Extreme Weather

Our World

Unit 1 VOCABULARY 1 1 Listen and read. We know we can’t control the weather. It can be beautiful, wild, and dangerous, often all at the same time. Scientists try to predict weather in different ways. They tell us when extreme weather is coming. Then we can try to protect ourselves. Thunderstorms bring heavy rain with loud thunder and lightning. If too much rain falls in a short time, it can cause a flood. Too little rain makes the land dry and can cause a drought. When it’s very cold, a rainstorm can turn into an ice storm or a blizzard. Wind is a dangerous force. In a tropical storm, the wind speed can be more than 100 kilometers (60 miles) per hour. Wind in a hurricane, or cyclone, is even faster. High winds in dry places such as deserts can pick up sand and cause a sandstorm. A tornado is a column of wind that rotates very fast. High winds in dry places such as deserts can pick up sand and cause a sandstorm. A tornado is a column of wind that rotates very fast. We can only live within a specific range of temperatures. At times, temperatures rise too high or drop too low. It not only feels bad, it can be dangerous! In a heat wave, the weather stays very hot for days or even weeks. 2 Listen and repeat. thunder I’m afraid of thunder. lightning Did you see the lightning? a flood The rain caused many floods. a drought Conserve water! There’s a drought! an ice storm Ice storms can be dangerous. a blizzard We didn’t go to school because of the blizzard. a tropical storm There are many tropical storms in this area. speed The wind speeds reached eighty kilometers an hour! a hurricane The hurricane brought lots of wind and rain. a tornado The tornado came very quickly. a sandstorm You can’t see in a sandstorm. a range What’s the temperature range in Antarctica? rise In some places, the temperature rises very high in the summer. drop The temperature drops very quickly at night. a heat wave Last summer there was a heat wave.

SONG 1 Listen, read, and sing. Bad Weather There’s bad weather on the way! There’s bad weather on the way! Is it going to storm? Yes, it is! Is there going to be lightning? Yes, there is! Is there going to be thunder? Yes, there is! When there’s going to be a storm, I hurry inside! Be prepared for emergencies. It’s always good to be safe. You’ll see! Grab supplies and a flashlight, too. Seek shelter. It’s the safe thing to do! Is there going to be a blizzard? Yes, there is! Is there going to be an ice storm? Yes, there is! Is it going to be cold? Oh, yes it is! If there’s going to be a blizzard, I hurry inside! Be prepared for emergencies. It’s always good to be safe. You’ll see! Grab supplies and a flashlight, too. Seek shelter. It’s the safe thing to do! Is there going to be a hurricane? Yes, there is! Is the wind going to howl? Yes, it is! Are the waves going to rage? Yes, they are! If there’s going to be a hurricane, we evacuate! Be prepared for emergencies. It’s always good to be safe. You’ll see! Grab supplies and a flashlight, too. Seek shelter. It’s the safe thing to do! Seek shelter. It’s the safe thing to do!

GRAMMAR 1 Future predictions and plans with be going to Is it going to rain tomorrow? No, it’s going to snow tomorrow. I’m going to listen to the weather report at 8:00. He’s going to put on his snow boots.

VOCABULARY 2 1 Listen and repeat. an emergency You need to be ready in case of an emergency. a plan Let’s make a plan. a flashlight Do you have a flashlight? supplies Don’t forget to buy supplies before the storm. evacuate They had to evacuate the school during the fl ood. a shelter During the hurricane, many people slept in the shelter. 2 Listen and stick. Find out what to do next. Place your stickers in the correct order. Work with a partner. Summarize the weather report. Welcome to your local weather radio report. We have the latest news on the hurricane. It will reach land in two hours. It is a big storm and it will do a lot of damage. Everyone should follow a plan of action. The plan will help you stay safe. Then, fi nd a shelter to protect your family from high winds. Keep your family together in the shelter. Next, make sure that you can see in the dark. Find a flashlight and keep it with you. Make sure that the fl ashlight works. The storm may last a long time. You will need food and water. Collect the supplies that you need. Keep your supplies dry. Also, continue to listen to your radio. If the hurricane grows too strong, you may be told to evacuate. You will have to leave and go to a safer place. If we tell you to evacuate, we will tell you where to go to keep your family safe. GRAMMAR 2 Zero conditional (present tense) I put on my winter coat if the weather is cold. If I see lightning, I go inside. If a sandstorm comes, I close all the windows.