Another example of a scientific model would be （）.
A: a map
B: a paper airplane
C: an atom
D: a light bulb
A: a map
B: a paper airplane
C: an atom
D: a light bulb
举一反三
- What can we use to put several pieces of paper together? A: paper clip B: paper stamp C: paper airplane D: paper lace
- A laser can be best described by______. A: a device for stimulating atoms and molecules to emit light B: an atom in a high energy state C: a technique for destroying atom or molecules D: an instrument for measuring light waves
- Food is to nutrition as light is to______. () A: reading B: vision C: bulb D: electricity E: watt
- Arrangement of a Scientific Paper：_________,__________,_________,_______.
- A scientific hypothesis is stated at the beginning of a scientific paper and should be answered by the conclusion.