Matching Pairs 10th grade Advanced. Unit 6. Lesson 2. Scientists are only human (Warm-up)Online version Match the beginnings and the endings of the jokes on sciences. by Veranika Bebekh 1 How many programmers does it take to change a light bulb? 2 How many astronomers does it take to change a light bulb? 3 If an experiment works, 4 Why did the meteorologist move to another country? 5 Why is electricity so dangerous? Because the weather didn’t agree with him. None. It’s a hardware problem. Because it doesn’t know how to conduct itself properly. something has definitely gone wrong. None, astronomers aren’t scared of the dark.