Easy
give me an example of a scientific observation
answers will vary
what is a hypothesis?
an educated guess
how do you meaure the mass of water
get electronic scale
get empty beaker
tare out electronic scale
add water
record number
who do you share you scientific results with?
What is the area of a block that is 78 cm long and 15 cm wide? MUST SHOW WORK AND UNITS!
1170 cm^2
how many grams are in 1 kg?
why can control groups in science sometimes be controversial?
people and animals can die
tell me the vocabulary word that matches this definition: the amount of space occupied by an object
mass
what measuring system is used around the world?
Metric system
what is the volume of a truck that is 5 m high, 3 m wide, and 2 m long. MUST SHOW WORK AND UNITS!
30 m^3
how many milli's go into a unit?
ex:
mg
mm
ml
1000
Name the 6 or 7 steps to the scientific method
Observation
Question
Hypothesis
Experiment
Analyze Data
Draw Conclusions
Share
measurement is broken down into three parts, what are they?
length, mass, volume
how many centi's go into one main unit?
for example:
cm
cg
cl
100
what is the density of an object that is 15 g and has a volume of 32 cm^3? MUST SHOW WORK AND UNITS!
47 g/cm^3
what would I use to measure a kittens mass?
GRAMS
tell the vocabulary word that matches this definition: •a measure of how hard gravity pulls on an object
weight
what is a dependent variable?
the variable that is affected by the independent variable
what is the word that matches this definition: the amount of space occupied by an object
volume
convert 78 ft to meters. MUST SHOW WORK AND UNITS!
23.79 meters
how do you measure the volume of an irregularly shaped object?
get beaker
fill with water and measure where water level is
put in object
measure where new water level is
subtract final water level from initial water level
what SI unit is weight measured in
Newtons
what is an independent variable?
the variable that is physically changed
what SI unit is mass measured in
grams or kilograms
convert 12 cm to m. MUST SHOW WORK AND UNITS!
0.12m