Scientific Method
What is a hypothesis?
A testable prediction or educated guess
The study of the natural world
What are the SI units for mass, volume, and length?
Kg, L, and m
What are line graphs used for?
To show change over time
What is technology?
The application of science to help people
What does an experiment do?
Tests the hypothesis
Does science change? Explain
Yes it does. It changes with new evidence and new discoveries
What is the SI unit for temperature?
Kelvin
What are pie graphs used for?
To show parts or percentages of a whole
Give an example of technology
Any human made tool
Ex. paper, pencil, computer, car, eraser, phone, etc
What is a control?
A group that doesn't get the independent variable
How do scientists learn new information about the world?
Through investigations, like modeling, natural studies, and experiments
How many centimeters are in 2.5 kilometers?
250,000 cm
What are bar graphs used for?
To compare different categories
How does society shape technology?
Scientists create technology to meet the needs and wants of people in society
Independent - what is being tested or changed
Dependent - what is being measured at the end
Constant - what is kept the same between the experimental and control groups
What are the three main categories of science?
Life science, Physical science, Earth/space science
How many liters are in 347 mL?
0.347 L
On which axis does the independent variable go?
X-axis
How is technology funded?
Through the federal government, private foundations, and private industries
What are the 6 steps of the scientific method in order?
1. State a problem (I will also accept it if you say observe and ask questions)
2. Research
3. Hypothesis
4. Experiment
5. Analyze data and make conclusions
6. Report results
How do scientists reduce bias?
Repeating each other's experiments and measurements
By doing blind experiments
What is the formula for density?
D = m/v
On which axis does the dependent variable go?
Y-axis
Name one moral or ethical dilemma with the creation or use of technology
animal testing, environmental harm, funding bias, altering genetics and cloning, etc