Observations
What are the 2 types of observations?
Qualitative and Quantitative
What are 2 things that inferences are based on?
Observations(evidence) and prior knowledge
For something to be considered living, how many of the characteristics of life must it have?
All 8 characteristics of life.
What does it mean if you call something microscopic?
It means that it is too small to be seen with the naked eye.
Which type of observation uses the 5 senses?
Qualitative observations
No, an inference must be logical.
Which of the following is NOT a characteristic of life?
-Needs water
-Ability to move
-Requires energy
Ability to move
False. Some cells are big enough to be seen without a microscope. Like an amoeba.
Is the following an observation:
I like the colors that I see
No, it is an opinion.
Can inferences be random guesses?
NO! Inferences are conclusions based on observations and prior knowledge.
The sun is considered non-living. Which characteristics of life is it missing?
Respond to environment. Require energy. Need water. Grows and changes over time. Exchange gases. Ability to reproduce and pass on genetic information. Made of 1 or more cells.
Put the following in order from smallest to largest:
Cells, atoms, molecules
Atoms, molecules, cells