Поставьте предложения в вопросительной форме

1. We used different apparatus for conducting an experiment.

2. They put  a burning match at the top of the flask.

3. The students need some metals and acids for the experiment

4. I went home after the lesson.

5. Last year I was a pupil

6. We weighed substances on the scales

 

Задайте вопрос к выделенным словам

1. Our group conducted an experiment at the last lesson.

2. We mixed different substances at the lesson.

3.The students weighed the substances on the scales.

4. My friend recorded the yield of a reaction at the lesson.

 

Спасибо!