QUESTION 1. the steps of the scientific method..
a.) must all be used in every scientific investigatiion
b.) must always be used in the same order
c.) are not always used in order
d.) start with the development of a theory
QUESTION 2. In a controlled experiment,
a.) a control group is compared with one or more experimental groups
b.) there are at least two variables
c.) all factors should be different
d.) a variable is not needed
QUESTION 3. The International System of Units
a.) is based on standardized body meeasurements
b.) contains units that are based on the number 10
c.) is useful only for measuring lengths
d.) is a device used to measure volume
QUESTION 4. What toold would a life scientist use to get a three-dimensional image of a microscopic organism?
a.) CT scan
b.) X ray
c.) scanning electron microscope
d.) a hand lens
2006-10-09 17:29:19 · 13 answers · asked by Deidara. 2 in Science & Mathematics ➔ Biology
daba
2006-10-09 17:39:32 · answer #1 · answered by smarties 6 · 0⤊ 0⤋
1) B. The scientific method does not work at all if the steps are mixed up.
2) A. This is the definition of a controlled experiment.
3) B. This is the metric system. Everything is in 10s. Much easier than the English system.
4) C. A scanning EM makes a 3-D image of a microscopic organism. X-rays & CT scans are used for internal representations. A hand lens does not have enough magnification.
2006-10-09 17:53:55 · answer #2 · answered by Who_Dey_Baby? 3 · 0⤊ 0⤋
Hi. Homework? 1) Always. 2) Control is necessary. 3) We have 10 fingers. 4) You need a microscope to see a microscopic anything.
2006-10-09 17:36:12 · answer #3 · answered by Cirric 7 · 0⤊ 0⤋
1,C 2,D 3,D 4,A
2006-10-09 17:32:56 · answer #4 · answered by Anonymous · 0⤊ 0⤋
make a extensive volcano. then placed lego figures. make a concotion of vinegar and baking soda. then CA-growth! lol or seek approximately tsunamis. did u understand that tsunamis in the north and south poles freeze whilst they hit the air? that's because of the fact the currents in the water are fairly above freezing, and the air is plenty below freezing. in basic terms analyze the sea. or do icicle carbon dating. its notably cool. its like they take a center pattern from the icicle, and it tell scientists how the earth became hundreds (even hundreds of thousands) of years in the past.
2016-12-26 14:46:26 · answer #5 · answered by ? 3 · 0⤊ 0⤋
question 1 - answer: a
question 2 - answer: b
question 3 - answer: do your own homework
question 4 - answer: do your own homework
2006-10-09 17:33:21 · answer #6 · answered by Anonymous · 0⤊ 0⤋
1 - b
2 - a
3 - b [metric system, whoohooo!]
4 - c
2006-10-09 17:32:05 · answer #7 · answered by M 3 · 0⤊ 0⤋
a;a;a;? didnt know anything bout #4 sorry. hope u arent totally confused now.
2006-10-09 17:41:19 · answer #8 · answered by burntvalentine 2 · 0⤊ 0⤋
babc
i only answer this question because you took the time to write the ****
2006-10-09 17:31:52 · answer #9 · answered by Jason 4 · 0⤊ 0⤋
So?
Read your textbook and do some studying. It's all in there.
2006-10-09 17:53:01 · answer #10 · answered by arbiter007 6 · 0⤊ 0⤋
Wow--are you asking for help....?? Might want to study a bit next time....
2006-10-09 17:31:29 · answer #11 · answered by Froggy 3 · 0⤊ 1⤋