A beaker of water is heated and thermal energy travels through the water by convection.
What happens to the density of the water when it is heated and how does the water move?
1 )
The density decreases and the heated water moves downwards.
The density decreases and the heated water moves upwards.
3 )
The density increases and the heated water moves downwards.
4 )
The density increases and the heated water moves upwards.
تحلیل ویدئویی تست
تحلیل ویدئویی برای این تست ثبت نشده است!
پرسش و پاسخ های مشابه
سوال کنید یا به سوالات دیگران پاسخ دهید ...