Why are televisions attracted to people?

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

Can you spot the hidden girl in the picture below?

What demands an answer, but asks no questions

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

What do you think with the below Picture ?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

A spy was in Canada trying to steal insider information on how to set up new Maple Syrup factories in their country. He was introduced to the operations manager of the biggest factory in Canada. However, the manager was suspicious and decided to test him with a question before he trusted him. So he asked, “What would you be sure to find in the middle of Toronto?” The spy thought fast and came up with an answer for the manager. What was his answer?