Complete the sentences with the words and phrase from the box.
invented created experiments discovered fingerprint scanner |
1. Marie Curie and Pierre Curie ______________ radium and polonium.
2. Thomas Edison ___________ the light bulb in 1880.
3. Sarah Gilbert is the creator of a vaccine. She ___________ it in 2020.
4. Scientists have carried out many ___________ to find a cure for cancer.
5. Scan your finger on this _____________ to check attendance, please.