How science works-Lesson 1

Which description best summarises the definition of an ‘aim’

• A proposal intended to explain something

• A statement that suggests what will happen in an investigation

• A single statement that describes the purpose of conducting an experiment

• I don’t know

Which description best defines the term hypothesis?

• A statement that suggests what will happen in an investigation

• A single statement that describes the reason for conducting an experiment

• A proposal intended to explain something

• I don’t know

Research question: does the distance a person kicks a soccer ball effect how well they will do on their math test.  What is the dependent variable?

• How far they kick the soccer ball
• who the person is
• how well they do on the math test
• Type of soccer ball.

Tags

CCSS.6.EE.C.9

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?

• Dependent
• Independent
• Control
• Compound

What would the INDEPENDENT variable be in an experiment testing which types of paper airplane goes furthest?

• the paper used
• the type of paper airplane
• the distance of each plane's flight
• how hard the plane is thrown

Tags

CCSS.6.EE.A.2C

Research Question: Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable?

• Type of gasoline
• which car the gas is put into
• how fast the car can drive
• how much gas is put into the car

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the dependent variable 

• Type of fertilizer
• Size of sunflower
• Type of sunflower

Tags

CCSS.6.EE.C.9

Molly investigated if the age of students caused them to be better drivers. What is the independent variable?

• Type of car
• Skill of driving
• Age of student

Tags

CCSS.HSF-BF.B.4A

This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted. 

• experimental group
• control group
• data
• variables

A comprehension test was given to students after they had studied textbook material either in silence or working together.
What is a possible control variable?

• Comprehension Test Results
• The thickness of the text book
• All students working in Silence
• Number of students working together and in Silence