Question

#1: In terms of the sequence of the scientific method, what is the immediate purpose of doing an experiment?

A. asking the question

B. formulating the hypothesis

C. gathering data

D. drawing conclusions
**My answer: B. formulating a hypothesis
though i am not too sure,cuz C and D seem alright to me also... idk :(

Answer 1

#2: Which of the following describes a physical property?

A. When two substances are mixed a precipitate forms.

B. Gunpowder explodes.

C. A candle burns.

D. A substance changes shape.

**My answer: D.
i think changing shape is the physical property right?? idk not too sure about physical properties :(

Answer 2

for perform an experiment you need a hypothesis, you can't just make the experiment without knowing what you're doing :P haha and so it's not B, and it's not D either because gathering data comes first.. the key word in this question is "immediately"

Answer 3

you're right about # 2

A) is chemical, because there is an exchanged of atoms to form this ppt
B) is an explosion (combustion) which is a chemical change
c) is combustion which is also a chemical change

Answer 4

oh so for #1, we are C. gathering data
???
and #2 i am correct? it is D?? :)

Answer 5

yep #1 is C , because you can't draw conclusions without gathering data and notice the question says "immediately"

and yes, #2 is D

Answer 6

yayyy :) thank youuu :)

Answer 7

no problemmmm !