science Flashcards
1
Q
what is the law of reflection
A
angle of incidence = angle of reflection
2
Q
what is a luminous object
A
objects that emit or give out light of their own
3
Q
water or light or both?
waves are transverse waves
A
water only
4
Q
water or light or both?
waves can be reflected
A
both
5
Q
water or light or both?
these waves transfer energy from one place to another
A
both
6
Q
how can you tell a mink, a measles and a stoat are mammals?
A
they have fur and four feet
7
Q
why would a breastfeeding woman need more daily calcium than someone who is not?
A
because she needs it for herself and her baby