Claim/Evidence/Reasoning (CER): How is it possible that when the students first swabbed the Petri dishes, they did not see any bacteria on them, but a few days later, there are visible bacterial colonies? How did the spot of bacteria get so big in that time? st 7

Transmission electron microscope are best for viewing a) microorganisms in pond water b) internal organs of a mouse c)internal structures of a cell d) surface features of a specimen

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

The (blank) states that all loving things are made of cells.