When Mary wafted the chemicals towards her nose, it smelled fruity.
The plant has blue and green leaves.
There were fifteen students in Ms. Jarrett's classroom during lunch.
Measure the mass of the object on the triple beam balance.
77.0 g
77.05 g
77.5
77.5 g
Match the correct definition to its vocabulary term.
Independent variable
Constant variable
Dependent variable
Control group
Remains the same during the experiment
What is kept under "normal" conditions for comparison
What is changed by the scientist
What is measured during the experiment
Match the term to each statement.
Observation
Inference
The student's stomach was growling because she hadn't had breakfast.
There were twenty students in Ms. Vaughters' first core class.
The plant grew purple, smelly flowers.
Measure the volume of the liquid in the graduated cylinder.
24 mL
25 mL
24 L
25 L
Joe decides he wants to determine if the amount of protein powder he drinks will affect the amount of muscle he puts on. What would be a constant in this experiment?
Amount of protein powder
Type of protein powder
Amount of muscle he added
Amount of muscle he had two years ago
Measure the length of the object on the ruler.
4 cm
9 cm
9 in
12 in
Measure the temperature shown on the thermometer.
28
28 degrees Celsius
28 degrees Fahrenheit
Jordan conducted an experiment testing plant growth under red, blue, and purple lights. He thought that if plants grow under different color lights, then the plants under the red light will have the most growth.
Match the variable to the term.