SC.8.N.1.1

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

Does the type of sneaker you wear affect how fast you can run?
What is the dependent variable?

• type of sneaker

• how fast you run

• person

• The dependent variable is total cost
• The dependent variable is weight
• The independent variable is total cost
• The independent variable is cost of a package

How many variables should be tested at one time?

• 1

• 2

• 3

• as many as you want

Tags

NGSS.MS-PS2-2

Randy places a piece of metal in 3 different acids and water. Why does he need the water?

• to compare the affect of acids to it.

• to see what happens to the metal.

• to see how acid rain affects the metal.

• to compare the affect of the acids on the metal.

Colleen wants to find out if watering plants more often produces more leaves. What is the test variable?

• number of leaves

• number of plants

• amount of plant growth

• amount of water

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Colleen wants to find out if watering plants more often produces more leaves. What is the outcome variable?

• the number of leaves

• the number of plants

• the amount of plant growth

• the amount of water

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Science determines results based on _____________________.

• Rumor

• Hypothesis

• Evidence

• Popular opinion

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

NGSS.MS-PS3-5

Scientists sometimes change their views. For example, people once believed that Pluto was a planet. What causes these changes in thinking?

• new experiments

• new evidence or interpretations

• new scientific beliefs

• new theories develop

Tags

NGSS.MS-LS4-2

Which one is a limitation of a drawing but not a model of the cell?

• it does represent the main parts of a cell

• it does not contain the correct number of nuclei

• it cannot represent a true cell which is 3 dimensional

• it cannot represent a true cell since the cytoplasm should be in constant motion

Tags

NGSS.MS-LS1-2