Scientific Method
A possible explanation, answer to a question, or solution to a problem based on what you know and what you observe
Hypothesis
Identify the dependent variable.
The higher the temperature of the air in the oven, the faster a cake will bake.
Speed/Amount of time the cake bakes
What can be measured using meters?
The length of the classroom
ANSWERS MAY VARY
Convert 37 degrees Celsius to Kelvin.
310 Kelvin
You have a rock with a volume of 15cm3 and a mass of 45 g. What is its density?
3 g/cm3
A factor in an experiment that does NOT change
Constant
Identify the independent variable.
The height of a bean plant depends on the amount of water it receives.
Amount of water
What can be measured in kilometers?
The distance from school to home.
ANSWERS MAY VARY
Convert 40 decigrams to milligrams.
4000mg
You have a different rock with a volume of 30cm3 and a mass of 60g. What is its density?
2 g/cm3
This occurs in an experiment when a scientist expects something to happen and lets this influence how the results are viewed.
Bias
The time it takes to run a mile depends on the speed of the runner.
Time to run a mile
What can be measured in millimeters?
Eyelashes
ANSWERS MAY VARY
Convert 32 meters to decimeters.
320 dm
I bought a box from the post office that has a volume of 24cm3.
Which of the following could be the dimensions of my box?
Choose all answers that apply:
A. 8cm X 1cm X 3cm
B. 10cm X 4cm X 10cm
C. 2cm X 2cm X 6cm
A and C
A way of explaining things or events based on what has been learned from many observations and investigations.
Scientific Theory
Create a "how or why" question for the hypothesis AND identify the dependent and independent variables.
If plants are watered, the height of plants will increase.
What is the effect of watering plants on their growth?
IV: Watering
DV: Height
What can be measured in centimeters?
A pencil
ANSWERS MAY VARY
Convert 325 Kelvin to Celsius.
52 degrees Celsius
I made a fort by connecting two boxes.
The first box is 5 meters long, 9 meters wide, and 9 meters high.
The second box is 3 meters long, 8 meters wide, and 2 meters high.
How many cubic meters of space does my fort have?
453m3
List the 6 steps to the scientific method in order.
1. State the problem
2. Gather information
3. Form a Hypothesis
4. Test the Hypothesis
5. Analyze Data
6. Draw Conclusion
Create a "how or why" question for the hypothesis AND identify the dependent and independent variables.
If chemicals are in ocean water, marine life will die out.
Do chemicals in water effect marine life?
IV: Chemicals in ocean water
DV: Marine life/population
What can be measured in nanometers?
Atoms and Molecules
Convert 356 inches into feet.
29.7 ft
I have a box that is 3cm X 4cm X 8cm. It has a mass of 128g. Calculate the volume and the density of my box.
Volume = 96cm3
Density = 1.3 g/cm3