Scientific Method
What is the first thing that a scientist must do?
When measuring length, what is the base unit?
Meter
What is a dependent variable?
The variable that the scientist is measuring. It depends on the independent variable.
.32L is how many mL?
320mL
1,460 mg = ___ g
1.46 g
Why do scientists use the scientific method?
To keep experimentation consistent throughout the community
When measuring mass, what is the base unit?
Grams
What is an independent variable?
The variable that the scientist is able to manipulate to test the outcome.
550 m = ___ km
0.55 km
82.1 g = ___ kg
DAILY DOUBLE
0.0821 kg
What kind of statement should your hypothesis be?
"If..., then..."
What method do scientists use to find the volume of an irregularly shaped solid object?
Water displacement. (An explanation is an acceptable answer.)
Nick wants to see how high ice cubes will float in different temperatures of water. What are the independent and dependent variables?
Independent: Different temperatures
Dependent: How high the ice floats
2.34 kL = ___ L
2,340 L
9.1 L = ___ mL
9,100 L
Which of the following is NOT a testable question?
1. Does a carrot or onion grow faster?
2. Which color is better, red or green?
3. What will help a plant grow taller, fertilizer or nothing?
4. Which will freeze faster, spring water or sparkling water?
2
"Jessica is conducting an experiment to identify how different types of fertilizer will impact the height of her flowers."
What is the dependent variable?
DAILY DOUBLE
Height of flowers.
If I put more soap in my bathtub then more bubbles will form.
What are the dependent and independent variables?
Independent: Amount of soap
Dependent: Amount of bubbles
How many centimeters does a relay team run in a 5 kilometer race?
500,000cm
983 mm = ___ m
0.983 m
List the steps of the scientific method in order.
1. Question/Observation
2. Research
3. Hypothesis
4. Experiment
5. Data Analysis
6. Share Results
"Jessica is conducting an experiment to identify how different types of fertilizer will impact the height of her flowers."
What is the independent variable?
Type of fertilizer.
"A scientist conducted an experiment to determine how the amount of salt in a body of water affects the plants that can live in the water."
Identify the independent and dependent variables
Independent: Amount of salt
Dependent: Plant life
The distance from Aaliyah's house to Camila's house is 7km. The distance from Danielle's house to Camila's house is 6,500m. Who lives closer to Camila's house?
Danielle
A bag of potato chips has 400mg of sodium per serving. This is how many grams of sodium?
What is 0.4g?