Experimental variables

What is the definition of an independent variable?

• factors that stay the same

• factor that is being observed

• factor that is being measured

• factor that is being changed by the scientist

What is the definition of a control variable?

• factor that is being measured in an experiment

• factors that stay the same in an experiment

• factor that is being changed by the scientist

• factor that is being observed in an experiment

Tags

CCSS.HSS.IC.B.3

What is the definition of a dependent variable?

• factor that is being measured in an experiment

• factors that stay the same in an experiment

• factor that is being changed by the scientist

• factor that is controled at the beginning of the experiment

Which of these variables is an example of qualitative data?

• Color of the leaves

• Height of plant

• Temperature of the soil

• Amount of water

Which of these variables is an example of quantitative data?

• Color of the leaves

• Height of plant

• Gender

• Presence of flowers

How can you define hypothesis?

• an informed inference

• a guess or a hunch

• an estimation

• the real answer to the research question

"Do plants need photosynthesis to grow?" is a valid research question

• True

• False

"If plants receive more light then they are going be bean plants" is a valid hypothesis

• True

• False

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.ID.C.9

Identify the independent variable in this situation

• The temperature of water

• The size of the pot

• The egg

• The size of the egg

Tags

CCSS.6.EE.C.9

Identify the dependent variable in this situation

• The temperature of water

• The amount of water

• The time the eggs spends cooking

• The stove

Tags

CCSS.HSA.SSE.A.1