Usually if the baked goods don't rise there's something wrong with the baked goods, not the oven. All the oven does is provide extreme heat. It's not like a microwave, which has its own little chemistry.
Most scone recipes call for baking powder, some for soda. Both of these are levening agents (cause the product to rise).
You should use self-raising flour, not plain, and add about half a teaspoon of baking powder.
possibly you are using the wrong temperature or not enough flour.
yes you should use baking powder in scones because that makes the scones rise when they bake.
Flour provides the structure and bulk once the scone is baked.
Helps them rise Self raising flour is plain flour with a little baking soda in!
A batch of scones.
there are loads of scones blueberry, strawberry ,chocolate,cheese, apricot , raspberry ,plain , and cherry scones !Read more: Different_types_of_scones
Scones
scones
it doesn't rise up because the yeast makes the bread expand.
Yeast makes bread rise.
Yeast makes the crust rise.
Yes, you can safely freeze scones.
I'm sure lemonade scones get about the same pay rate as original scone. But original scones are sometimes lazy!