What Goes Up, But At The Same Time Goes Down, Up To The Sky And Down To The Ground...

Riddle: What goes up, but at the same time goes down, up to the sky and down to the ground, my present tense and my past tense too, lets go for a ride just me and you... what am I?

Answer: A see-saw

Source: https://www.riddles.com/1047

Riddle: What goes up, but at the same time goes down, up to the sky and down to the ground, my present tense and my past tense too, lets go for a ride just me and you...
what am I? Answer: A see-saw — by Anonymous v1.

Riddle: What goes up, but at the same time goes down, up to the sky and down to the ground, my present tense and my past tense too, lets go for a ride just me and you...
what am I? Answer: A see-saw — by Anonymous v2.