Pushing that box

What is the variable you change in an investigation?

• independent
• dependent

• controlled

Tags

NGSS.MS-PS3-4

What is the variable you measure as your data?

• dependent

• independent

• controlled

Tags

NGSS.MS-ETS1-3

NGSS.MS-PS1-2

What is the variable you keep the same throughout the investigation?

• dependent

• independent

• controlled

What question were you trying to answer when you rolled the plastic and rubber balls?

(type your answer as "What is the effect of _____ on _____?")

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS3-5

Why do we do multiple trials?

• So we can calculate the average.

• So we can see if we made any mistakes.

• So we can keep having fun.

• So we can see if the changes are caused by the mass.

Why do we keep all the variables that could affect the data the same (or controlled) except for one variable?

• So we can see how that one variable affects the data.

• So we can save time.

• So we can test all the variables at the same time.

• So we can see how these variables affect each other.

Tags

NGSS.MS-PS2-2

How do you calculate the average of five numbers?

• Add all five numbers and divide by 5.

• Divide the numbers and then add.

• Add all the numbers and divide by 2.

• Divide each number by 5.

What is the relationship between displacement and work?

• When the displacement increased, more work was done.

• When the displacement increased, less work was done.

• Displacement has no relationship to work.

What is the relationship between mass and work?

• The ball with more mass did more work.

• The ball with more mass did less work.

• The mass has effect on work.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What is the relationship between work and energy?

• When more work was done on the box, more energy was used.

• When more work was done on the box, less energy was used.

• Work is not related to energy.

Tags

NGSS.MS-PS3-5