-- just HOW poisonous are poisonous snakes? -- Which household products are most flammable? -- Which hurts more: falling off the slide or being pushed off the slide? -- Which tools are sharper: kitchen or garage? -- can sharks hunt a human? -- What happens if I stick my hand in this? -- HOW many ways can you break an arm over summer vacation? -- HOW many goldfish does it take to screw in a light bulb? -- can dogs fly?