General Science

A life scientist who observes the relationships between plants, animals, weather and soil on a mountaintop is studying a(n)

• community

• ecosystem

• population

• organism

Tags

NGSS.3-LS4-3

NGSS.5-LS2-1

In a controlled experiment,

• there are at least two variables
• a control group is compared with one or more experimental groups
• a variable is not needed
• should only be conducted one time

Tags

NGSS.3-5-ETS1-3

1. The diagram shows a simple microscope. Four parts of the microscope are labeled A, B, C, and D. Which part of the microscope is the objective lens?

• A

• B

• C

• D

Which of these is the best measure of how much space an object or substance takes up?

• mass
• length
• volume
• density

Conductor or insulator?  Plastic toy car

• Conductor
• Insulator

Tags

NGSS.5-PS1-3

what is a hypothesis?

• an educated guess 
• a theory 
  a theory 
• hot dog 

Liquids have - 

• no definite shape or volume
• a fixed or definite shape but no definite volume
• a fixed/definite shape and volume
• a definite/fixed volume but no definite shape

Tags

NGSS.5-PS1-3

What is the main purpose of an experiment?

• Actively producing data and conducting comparisons.

• To observe changes in nature

• Learning about how people live their lives

• Discovering new medical techniques and medications.

Tags

NGSS.3-5-ETS1-3

What is the difference between an observational study and an experiment?

• Observational studies compare data.

• Experiments involve active data production.

• Experiments involve having multiple treatments

• Observational studies have subjects and treatments.

Tags

NGSS.3-5-ETS1-3

A __________ is a tool that is used to measure temperature or how hot or cold something is.

• beaker

• graduated cylinder

• thermometer

• ruler

Tags

NGSS.MS-PS1-4