Experiments are a great way to observe ________relationships.

• cause and effect
• friendly

• new

• useless

Tags

NGSS.MS-PS1-2

NGSS.MS-PS2-2

NGSS.MS-PS3-4

Select all of the variable types.

• Independent

• Dependent

• Control

• Confusing

• Extra

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

There can only be ___ independent variable in an experiment.

There can only be one ​ ​ ​ (a)   variable ​ in an experiment. This variable is also known as the ​ (b)   variable. It is the​ ​ (c)   in the ​ (d)   relationship.

• dependent
• data
• measures
• control
• independent
• cause
• effect
• constant
• test
• cause and effect

Answer explanation

Remember, "dependent" starts with "d" just like "data". And to collect data you need to measure it! It is the result of the independent variable being changed.

Tags

NGSS.MS-PS2-2

The ​ ​ (a)   variable ​ in an experiment are the things that need to stay ​ ​ (b)   . This is ​ (c)   so that results will be ​ (d)   .

• measures
• control
• independent
• dependent
• constant
• test
• cause and effect
• important
• valid
• data

Answer explanation

Remember, "dependent" starts with "d" just like "data". And to collect data you need to measure it! It is the result of the independent variable being changed.

The ​ ​ ​ (a)   variable ​ (b)   the ​ (c)   caused by the independent variable.

• dependent
• data
• measures
• control
• independent
• cause
• effect
• constant

Answer explanation

Remember, "dependent" starts with "d" just like "data". And to collect data you need to measure it! It is the result of the independent variable being changed.

Tags

NGSS.MS-PS2-2

What is the primary (main) purpose of conducting experiments?

• To prove a hypothesis/ answer a question

• To pass time when there's nothing else to do

• To create chaos and a mess

• To entertain when you are bored

Tags

NGSS.MS-PS1-2

What is a crucial element in designing an experiment?

• Controlled variables

• Unlimited budget

• Lack of supervision

• Random actions

What is a common outcome of a successful experiment?

• Discovery of new relationships

• Creation of a mess

• Wasting resources

• Causing confusion

Tags

NGSS.MS-LS1-5

Match/Label the variables for the following experiment:

Does warm water or cold water dissolve salt faster?

Groups:

(a) Independent Variable

,

(b) Dependent Variable

,

(c) Control Variable

• speed that the salt dissolves

• amount of water

• temperature of the water

Tags

NGSS.MS-PS1-4