2 D vs 3 D Shapes Mr Bs Brain Ep 2 2 D and 3 D Shapes

hey kids it's mr. and banjo Bob hurry kids and today we're gonna learn about shapes you know there's so many different kinds of shapes there's 2d shapes and there's 3d shapes but mr. how do you tell the difference between 2d shape and 3d shape that's great question Bob 2d means two dimensional can you try saying that two-dimensional two-dimensional very good Bob thank you two dimensional means the shape goes two ways take look at the square it goes two ways it goes side to side and it goes up and down one way two ways this shape is two-dimensional Wow now 3d shape goes three ways it also goes side to side it goes down and up and it also goes from back to front back to front did you catch that Bob yeah 3d shape goes side to side up and down and back to front another way to test if shape is 2d or 3d is to see if it's flat because if it's flat it's 2d shape let's try the circle first turn it over take good look that looks pretty flat to me circle must be 2d shape now let's try the sphere rotate it over this sphere is still pretty puffy and full it must be 3d shape we can further experiment with the flatness of shape by doing the clapping test are you ready for that Bob you bet remember if the shape is flat it's 2d shape and you should still be on the clap now let's try the 3d shape No the 3d shape is too puffy it sticks out too much can't clap sorry Bob the music's over if you're still not sure if shape is 2d or 3d there is one more way to test but leave this one to me because it's kind of dangerous alright it's called the sit test here's what's gonna happen Bob's gonna put shape behind me and I'm gonna sit down if it's 3d shape should be able to sit coz 3d shapes are full and they stick out but if it's 2d shape might be in some trouble are you ready Bob give me the first shape okay mr. here comes sphere wow sphere must be 3d shape it sticks out three ways and keeps me off the ground thanks Bob good job mr. how about another one yep Bob I'm ready give me the next shape okay mr. how about rectangular prism whoa rectangular prism must be 3d shape cuz it kept me off the ground Bob that's crazy it goes side to side front to back and up and down to keep me from falling pretty cool guys okay mr. time for the last shape I'm ready when you are Bob give me the last shape okay kids let's try triangle no that definitely wasn't 3d shape mr. you're right Bob this was definitely 2d shape it only goes two ways this way in this way but it didn't come up so couldn't sit on it and fell on the ground it's so flat went down fast Bob think I'm done with shapes for today well how about play your favorite song and make you feel better that'd be great Bob thanks okay don't feel better and did have fun today and hope you did too now it's your turn to find some shapes and learn something all right boys and girls see you next time bye-bye you