scientific investigation

what is the scientific method?

a process in which scientists use to acquire knowledge and understand the natural world through observation, experimentation, and analysis

what is the problem of an expirement?

a specific, unanswered question or issue, that the scientists is trying to answer

name both of the observations and explain them

quantitive- based on numbers and measurement

qualitative- descriptions that very on your 5 senses

what is an inference?

an educated guess that is made from observed evidence and existing knowledge

what is a hypothesis

an educated guess or prediction about what you think will happen in your experiment

what are the four types of variables, and what are they

independent variable (what you change)

dependent variable (what you measure)

control variable (what you keep the same)

constant variable (factor that is used in comparison)

what happens when you test your hypothesis

you run an experiment to collect data, the results will show if your hypothesis was correct or if you need to change it.

how/why should you organize your data?

too make the information useful and valuable

folder, categorize, table, etc.

what occurs during your conclusion stage?

you look at the results of your experiment and decide if they support your hypothesis or not, while you explain what you learned and what it means.

why should you always repeat your expirement?

to make sure your results are accurate and not just a mistake, as repeating it shows that your findings are reliable and can be trusted.

“There are tracks from three different animals in the rock” is the statement observation or inference?

observation

“one animal was chasing another animal” is the statement observation or inference?

inference

“two different animals died in this spot” is the statement observation or inference?

observation

“when the animals walked here the grounded was wet” is the statement observation or inference?

inference

“one of the animals that died here had bony plates” is the statement observation or inference?

observation

“one of the animals that died here had sharp teeth” is the statement observation or inference?

observation

“the animal that had sharp teeth ate meat” is the statement observation or inference?

inference

“the cup has a mass of 454grams” is the statement qualitative or quantitative ?

quantitative

“the template outside is 250*c”is the statement qualitative or quantitative ?

quantitative

“it is warm outside”is the statement qualitative or quantitative ?

qualitative

“the sidewalk is long” is the statement qualitative or quantitative ?

qualitative

“the sidewalk is 100m long “ is the statement qualitative or quantitative ?

quantitative

“the race was over quickly” is the statement qualitative or quantitative ?

qualitative

“ the race was over in 10minutes” is the statement qualitative or quantitative ?

quantitative

which letter is the x-axis

a

which letter is the y-axis

b

which letter is the title

e

which letter in the legend

d

which letter is the scale

c

what type of graph should be used?

bar/collum

what is the independent variable and which axis should it be placed on

the month, x-axis

what is the dependent variable and which axis should it be placed on?

reported sighting, y-axis

what is an appropriate title?

monthly whale sightings

what is science?

The study of the natural world through observation, experiments, and evidence to understand how things work. It’s a way of asking questions, testing ideas, and using facts to explain and predict what happens in nature.

convert 900cm to m

9m

convert 564dm to dam

5.64dam

convert 10L to ml

10000ml

convert 0.3mm to km

0.0000003

what is the mean in this sequences

10,12,17,9,9,20,10

12.4

what is the mode in this sequences

10,12,17,9,9,20,10

10, 9

what is the median in this sequences

10,12,17,9,9,20,10

10

what is the range in this sequences

10,12,17,9,9,20,10

11