Question

An investigation involves determining which metal is better for making pots that will cook food faster. Which is the best hypothesis to use for this investigation?
Copper is better than iron for making pots.
Copper is more malleable and heats up faster than iron.
If copper is a better conductor, it will heat up faster than iron.
If copper heats up faster than iron, it is better for making pots.

Answer 1

d

Answer 2

can you help me with a couple more

Answer 3

sure

Answer 4

A scientist would most likely need to update her model when it
has become too simple.
no longer supports the latest results.
reduces the need for verbal explanation of data.
no longer appears interesting.

Answer 5

i would say b

Answer 6

Which is one way that scientists communicate the results of an experiment?
A.asking a question
B.drawing a picture
C.writing a procedure
D.forming a hypothesis
i think this one is d but im not sue

Answer 7

sure not sue

Answer 8

i would agree

Answer 9

Several scientists from different countries are asked to examine the results of an experiment before a journal will print it. Which term best describes this step of the investigative process?
question
communication of results
peer review
experiment control

Answer 10

c or d thats tricky

Answer 11

ok i will go with d

Answer 12

Which is an example of making a qualitative observation?
measuring the speed of the chemical reaction
describing how copper changes color in chlorine
recording how long it takes to burn magnesium
showing the results of an experiment with a graph

Answer 13

c

Answer 14

i thout it wood be b

Answer 15

hold on let me read my notes more could be

Answer 16

ok

Answer 17

b
c
are both qualitative observation

Answer 18

ok A scientist wants to use a model to help present the results of his detailed scientific investigation. Why would a model be useful?
because the model makes the concepts easier to understand
because the model is easy to put together and to use
because the model prevents other scientists from asking questions
because the model requires the audience to pay full attention to it

Answer 19

i say a

Answer 20

ok thank you so much

Answer 21

:)

Answer 22

@Missiey providing direct answers is highly discouraged on this website

Answer 23

:(