Science Buddies: "Ask an Expert"

I am doing a science fair project right now, and my topic is "how does the temperature of a ball affect how high it will bounce." I need 20 facts that relate to my topics. 20 facts!!! Please, guys help me out here! Thank You

Ok. What facts do you have so far?

none, because i have like 30 facts about ball but not about my topic, so i can't find anything on internet about my topics fact, so i need yall to help!

Dr. Bruce Weaver wrote:Ok. What facts do you have so far?

This is actually posted 4 times in the phys sci forums as well. The thread with the most traffic is at:
https://www.sciencebuddies.org/science- ... 4020d5825d

It might be less confusing to more the conversation to that thread, since I asked for the same info there.

Louise

I have....

1.The temperature of air makes the ball bounce.
2.The materials make the ball bounce.
3.The densities make the ball bounce.
4.The higher the temperature, the higher the ball will bounce.
5.The higher the ball drops teh higher it will bounce.
6.The ball can roll.
7.Balls had different shapes.
8.It has different weight.
9.It has different compression.
10.It make from different materials.

Ps.I don't know these facts are relate to my topic or not.

First, it is true that you should stick to one location.

Second, some of the suggestions listed on the other thread seem like a good start for you facts.

Third, the temperature of the air doesn't make the ball bounce. If it were the temperature that makes it bounce, then it would also make a lump of clay, say, bounce. The temperature may affect the properties of the ball material. There is a similar problem with #3.

Fourth, what about the properties of the surface from which the ball is bouncing? Try bouncing a ball on grass.

Fifth, #7 through #10, seem to be trying to compare ball? It/they? Is that the point of the facts you're supposed to gather.

Thank you, but i still need like 10 facts. i found some facts about temperature of a ball. but that all i find.