To start the experiment, you need to ________ air into the balloon.
Please ________ the end of the balloon so the air doesn't escape.
If you ________ a balloon on your jumper, it gets a negative charge.
Before you peel the egg, you must ________ it for four minutes.
________ the bottle in a towel and shake it well.
Be careful when you ________ the hot water into the glass bottle.
To mix the ingredients properly, you need to ________ the container for a minute.
First, ________ the glasses with water to the very top.
What's the difference between a Nobel Prize and an Ig Nobel Prize?
Why do cows without names produce less milk?
Why are some mosquitoes dangerous?
Which of Andre Geim's experiments do you think won a Nobel Prize?
Створюйте онлайн-тести
для контролю знань і залучення учнів
до активної роботи у класі та вдома