It depends how much air is in it.
If you were bouncing them both, a basketball would bounce higher.
small bouncy balls will bounce higher
a normail bouncy ball, maybe a basketball
A golf ball would bounce higher than a basket ball.
I think a basket ball bounces the highest.
a bsket ball bounces hightest then come a tennis ball and then a soccer ball
Basketball
the ball that actually bounces the highest is a basket ball i tested it for school :)
Tennis ball
Golf Ball
a bouncey ball
A Golf Ball