It is free to enter, but the parking is $12.00. If you are able, park on the planetarium (that is free) lot and walk across the bridge to the Science center. If you're a senior, on Tuesdays it is $5.00 for parking
It's free for most things except simulated rides, IMAX, food and shops. They have picnic areas outside so you can bring your own food.
Parking charge is $12 if park S of 40/64. If park on planetarium side free, but be prepared for alot of walking.
Free except some of the shows, foods, and gift shop.
It's free, for most of it. Some of the special exhibitions cost money.
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