front 1 follow a procedure | back 1 follow the steps EXAMPLE: When you are learning to do something new, it is important to follow the procedure very carefully. |
front 2 pose a risk | back 2 could be dangerous EXAMPLE: The thin ice on the lake posed a risk. Don't walk on it. It's not safe! |
front 3 properly | back 3 correctly EXAMPLE: Children need to learn how to do things properly. |
front 4 raw | back 4 not cooked EXAMPLE: Raw meat needs to stay in the refrigerator until you are ready to cook it. |
front 5 sanitation | back 5 a system for protecting people's health by removing dirt and waste EXAMPLE: A garbage collector is sometimes called a sanitation worker. They take our trash away! |
front 6 chemical | back 6 a manmade substance EXAMPLE: A dangerous chemical was found in the water supply. The water is contaminated. People should not drink that water. |
front 7 (verb) contaminate (noun) contamination | back 7 to make something dirty or poisonous EXAMPLE: The chemical contaminated the water. The water is no longer safe to drink. |
front 8 estimated | back 8 (verb) guessed EXAMPLE: The estimated cost of educating the children of our city is 27 million dollars each year. However, it might be a little more or a little less. |
front 9 handle | back 9 to touch, hold, or pick something up EXAMPLE: For safety, please don't let children handle sharp knives. They could get hurt. |
front 10 incident | back 10 an event, especially one that is bad or unusual EXAMPLE: There was an incident in the parking lot yesterday. Someone tried to steal my boss's wallet. |
front 11 investigator | back 11 someone who tries to discover all the facts about something EXAMPLE: There was an accident at the factory yesterday. Today investigators are trying to find out what caused it. |
front 12 maintain | back 12 to make a situation or activity continue in the same way EXAMPLE: He maintains good relationships with his neighbors and friends. |
front 13 presence | back 13 the fact of being in a place, to be present EXAMPLE: I accidentally put salt in my coffee. The salt's presence made it impossible for me to drink the coffee. It tasted terrible! |
front 14 production | back 14 the process of making or growing something EXAMPLE: Food production is important in the United States. Americans depend on our farmers to grow the food we need to eat. |
front 15 quantity | back 15 amount EXAMPLE: The refrigerator stopped working yesterday. Unfortunately a large quantity of milk was spoiled. We had to throw it away. |
front 16 recall | back 16 to order the return of something EXAMPLE: When the company realized their cereal contained glass, they recalled it. If you had purchased a box, you could return it to the store for a refund. |
front 17 remove | back 17 to take something away EXAMPLE: For safety, it is important to remove chemicals from drinking water. |
front 18 spoil | back 18 to go bad EXAMPLE: The meat sat on the counter for too long and it spoiled. We had to throw it away so that we didn't get sick. |
front 19 stage | back 19 a step in a process EXAMPLE: My son and I are working on a school project. It is almost complete. Our project is in its final stages. |
front 20 substance | back 20 a solid, liquid, or gas EXAMPLE: Water is the most common substance on Earth. |
front 21 surface | back 21 the top or outside part of something EXAMPLE: It is not windy today. The surface of the water is completely calm and smooth. |
front 22 thoroughly | back 22 very carefully, completely EXAMPLE: Wash your hands thoroughly before working in the kitchen. |