Scientific Terms Quiz

A scientist notices that the mineral he is trying to identify is a yellowish color. This data is

• qualitative data
• quantitative data

In an experiment, the one thing the experimenter changes or manipulates is the...

• dependent variable

• independent variable

• control variable

Data that is observed using your 5 senses and is described through the use of adjectives is...

• qualitative data

• quantitative data

In an experiment, the things a scientist purposefully keeps the SAME are the...

• dependent variables

• independent variables

• hypotheses

• control variables

You notice that a mineral you are trying to identify has a mass of 75 grams. This data is...

• quantitative data
• qualitative data

A scientist investigates the effect of carbon dioxide on plant height. The scientist grows plants in several closed containers. All the plants receive the same amounts of water and light, but the air in each container has a different amount of carbon dioxide. What is the independent variable in this experiment?

• the amount of carbon dioxide in each container

• the number of plants in each container

• the amount of water provided to the plants

• the height of each plant after a period of time

Tags

NGSS.MS-LS1-5

Factor that you keep the same in an experiment

• Independent Variable
• Dependent Variable 
• Controlled Variable
• Operational Definition

What variable in an experiment is the manipulated variable?
For example: keep bread at room temp, and keep another one in the refrigerator- here you are changing the temps on purpose to see what happens. 

• Operational Definition
• Control Variable
• Dependent Variable
• Independent Variable

What variable in an experiment is measured? - it is also called the responding variable.
For example: measuring the amount of mold on bread 

• Dependent variable
• Operational Definition
• Independent Variable
• Control Variable

An experimental hypothesis is

• a law of nature in every experiment

• the opposite of your experimental theory

• a reasonable explanation to a scientific question based on previous research. It is falsifiable

• an educated guess about what will happen, it is falsifiable