1. When did skateboarding become very popular?

According to the passage, skateboarding suddenly became very popular in the 1970s.

2. What are the three styles of skateboarding?

The passage mentions three styles of skateboarding:

• Freestyle skateboarding: This involves riding quickly and performing tricks on flat, smooth surfaces.
• Ramp skateboarding: This involves skateboarding up ramps and doing tricks in the air.
• Street-style skateboarding: This is a combination of freestyle and ramp, where skateboarders perform tricks on the streets.

3. What was "street-style" skateboarding?

Street-style skateboarding is a combination of freestyle and ramp skateboarding. It involves performing tricks on the streets, using obstacles like stairs, curbs, and rails.

4. Why do "street-style" skateboarders need protective clothing?

Street-style skateboarders need protective clothing like knee and elbow pads, and helmets to ensure their safety while performing tricks on the streets, which can be risky.

5. Do you think skateboarding is a very popular sport now? Why or why not?

Yes, skateboarding is still a very popular sport today. This is evident from the fact that there are numerous competitions held worldwide, and skateboarding has even been included in the Olympics. Additionally, skateboarding has become a popular recreational activity for people of all ages.