4 Choose the correct word. ► There was an experiment/exploration to test the levels of sugar in the blood. experiment 1 These animals only explore/exist in South America - nowhere else. ____ 2 They’re going to explore/analyse the area to see what they can find. ____ 3 The discovery/invention of the electric light bulb changed people’s lives. ____ 4 Scientists have carried out/confirmed experiments on animals. ____ 5 Who invented/discovered the life-saving drug penicillin? ____ 6 We’ve got the data, so now we need to analyse/explore it. ____