degrees celcius (C)
going to a ballgame and noting the haircolor of the players
asking all the people in Dexter's family their hair color
collecting data from the students in one class
noting the hair color of 100 people who enter a store
what color the eggs are
how fast the tadpoles swim
how large the tadpoles are
how many eggs hatch
memorize their observations
do research at a library
write down their measurements
discuss their conclusions
have each scientist try to convince others he or she is correct
have a discussion
have other scientists try the same experiment
have a friend do the experiment differently
Sal holds his jar tighter than Jan does.
Sal takes more time to add the same number of drops as Jan
Sal shakes his jar for about twice as long as Jan shakes her jar.
Sal uses a jar with a yellow lid and jan uses a jar with a blue lid.
Do differences in soap amounts affect bubble height?
Do differences in shaking time affect bubble height?
Do differences in amount of water affect bubble height?
Do differences in brands of soap affect bubble height?
draw the bubbles
take a photo
draw a bar graph
write it in a paragraph
選擇要在Apple App Store上查看的Topgrade應用程序。