1) natural sources of light a) b) c) d) 2) man-made light resources  a) b) c) d) e) 3) transparent objects a) b) c) d) 4) translucent objects a) b) c) d) 5) opaque objects a) b) c) d) 6) transparent objects may .............................? a) allow light to pass through it   b) block some of the light and allow some of the light to pass through it  c) not allow light to pass through  7) translucent objects may .....................................? a) allow light to pass through it b) block some of the light and allow some of the light to pass through it c) not allow light to pass through 8) opaque objects may ........................? a) allow light to pass through it b) block some of the light and allow some of the light to pass through it c) not allow light to pass through

light

In
Nhúng

Bảng xếp hạng

Phong cách trực quan

Tùy chọn

Chuyển đổi mẫu

Bạn có muốn khôi phục tự động lưu: không?