Unit 1 Sci.Method, Engineering, Energy and Motion

What is an inference? 

• Just a random guess
• A prediction based on observations and prior knowledge

• The same as an observation
• deciding if an observation is qualitative or quantitative

Observation or Inference: I notice the tree by the pond has no leaves on it.

• Observation

• Inference

Tags

NGSS.MS-LS1-6

Which of the following is an observation about this picture?

• The boy has fallen off his bike.
• The boy is in a lot of pain.
• The boy has injuries to his knees
• The boy learned his lesson about wheelies

Which of the following is an observation about the man in this picture:

• The man hates his purple shirt.
• The man has a purple shirt.
• The man is having a bad day.
• This man is upset because he's hungry

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

What is the DEPENDENT variable (effect) in this experiment?

"Does eating breakfast improve test scores?"

• eating breakfast or not

• the grade you got on the test

• what time you get up in the morning

• how tasty the breakfast is

You are testing how the amount you water a plant affects its growth. What would be the INDEPENDENT VARIABLE in this experiment.

• They type of pot you put the plants in.

• The amount you water each plant.

• The amount of sunlight the plants get.

• The amount the plant grows.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

A series of steps used by scientists to solve a problem or answer a question is known as the

• data collection

• recipe

• metric system

• scientific method

When you hear the word "Data" it sould make you think of the

• dependent variable

• independent variable

• eexperimental design

• hypothesis

Tags

NGSS.MS-PS3-1

To test a hypothesis, a scientist designs a(n)

• hypothesis

• theory

• model

• experiment

Tags

NGSS.HS-LS2-3