Well, It's your brother/sister so obviously you should set a good example so that they will follow your footsteps and they will be more mature.
Fire is a good example of NATURAL light
A banana is a very good non-example.
potatoe
A good prediction in science is in other words a hypothesis. In your hypothesis, you should add "if" "then" and "because." Example Hypothesis: If I test the decay of meat in different liquids, then the Energy Drink will pose the least decay because of the high levels or amount of preservatives in the energy drink.
there is none
yes
no
no
Yes
bob and harriat
she has 3 silblings
yes
He had a sister named Elena.
Yes, Helen.
she has an older brother named chase Ryan
He has 6 sisters and 1 brother
yes she has a sister named Barbra