Scientific Method 1
Which ones are QUANTITATIVE OBSERVATIONS?
A. The door is 3 feet wide and brown
B. Plant is short with 3 flowers
C. 9cm, three flower clusters
D. Light green leaf, loud pop
C. 9cm, three flower clusters
What variable may change as a result of manipulation?
A. Independent variable
B. Dependent variable
A. Independent variable
What question do you ask yourself to help find the INDEPENDENT VARIABLE?
A. What do I change?
B. What do I measure?
A. What do I change?
The amount of pollution produced by cars was measured for cars using gasoline with different amounts of lead. What is the DEPENDENT VARIABLE?
A. Amount of pollution
B. Gasoline with different amounts of lead
A. Amount of pollution
What are 3 QUALITATIVE OBSERVATIONS?
A. Leaf 9cm long, three flower clusters
B. Loud pop, light, green leaf, short plant
C. Leaf 9cm long, Loud pop, 8 degrees C
D. 3 cars, purple shirt, brown hair
B. Loud pop, light, green leaf, short plant
The time it takes to run a km depends on the mount of exercise a person gets. DEPENDENT VARIABLE?
A. Time to run
B. Amount of exercise
A. Time to run
Grass will grow taller if it is watered and fertilized evenly. INDEPENDENT VARIABLE?
A. Height of grass
B. Watered and fertilized
B. Watered and fertilized
Will corn seeds sprout at different times depending on temperature of water? INDEPENDENT VARIABLE?
A. Corn seeds sprout at different times
B. Temperature of water
B. Temperature of water
Six groups of children were tested to see if scores on their spelling tests were affected by amount of practice time. INDEPENDENT VARIABLE?
A. Scores on tests
B. Amount of practice time
B. Amount of practice time
Lemon trees receiving the most water produced the largest lemons. What is the INDEPENDENT VARIABLE?
A. Amount of water
B. Size of lemons
A. Amount of water
The higher the temperature of water, the faster the eggs will cook. DEPENDENT VARIABLE?
A. Temperature of water
B. Times for eggs to cook
B. Times for eggs to cook
The time it takes to run a km depends on the mount of exercise a person gets. INDEPENDENT VARIABLE?
A. Time to run
B. Amount of exercise
B. Amount of exercise
Grass will grow taller if it is watered and fertilized evenly. DEPENDENT VARIABLE?
A. Height of grass
B. Watered and fertilized
A. Height of grass
The independent variable is also known as the
A. Controlled variable
B. Responding variable
C. Manipulated variable
D.Different variable
C. Manipulated variable
The amount of algae growth in lakes seems to be directly related to the number of sacks of phosphorus fertilizer sold. INDEPENDENT VARIABLE?
A. Sacks of phosphorous fertilizer sold
B. Amount of algae growth
A. Sacks of phosphorous fertilizer sold
The amount of pollution produced by cars was measured for cars using gasoline with different amounts of lead. What is the DEPENDENT VARIABLE?
A. Amount of pollution
B. Amount of lead
B. Amount of lead
More bushels of potatoes will be produced if the soil is fertilized. INDEPENDENT VARIABLE?
A. Number of bushels of potatoes
B. Fertilizer
B. Fertilizer
The DEPENDENT VARIABLE is also known as the
A. Controlled variable
B. Responding variable
C. Manipulated variable
D.Different variable
B. Responding variable
The higher the temperature of water, the faster the eggs will cook. INDEPENDENT VARIABLE?
A. Temperature of water
B. Times for eggs to cook
A. Temperature of water
What question do you ask yourself to help find the DEPENDENT VARIABLE?
A. What do I change?
B. What do I measure?
B. What do I measure?
Will corn seeds sprout at different times depending on temperature of water? DEPENDENT VARIABLE?
A. Corn seeds sprout at different times
B. Temperature of water
A. Different times corn seeds sprout
Lemon trees receiving the most water produced the largest lemons. What is the DEPENDENT VARIABLE?
A. Amount of water
B. Size of lemons
B. Size of lemons
Six groups of children were tested to see if scores on their spelling tests were affected by amount of practice time. DEPENDENT VARIABLE?
A. Scores on tests
B. Amount of practice time
A. Scores on tests
What variable is deliberately changed in a situation?
A. Independent variable
B. Dependent variableA. Independent variable
The amount of algae growth in lakes seems to be directly related to the number of sacks of phosphorus fertilizer sold. DEPENDENT VARIABLE?
A. Sacks of phosphorous fertilizer sold
B. Amount of algae growth
B. Amount of algae growth