Drag each tool to the correct category.
identify the common use of each tool used by space scientists and earth scientists.
ruler
telescope
radio dish
microscope
streak plate
wind vane
binoculars
magnifying glass
tools that magnify objects
tools that don't magnify objects

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false

How is the atomic number of a nucleus changed by alpha decay