7th Grade Final Review

A possible explanation to a problem that has not yet been tested. 

• data
• theory
• hypothesis
• fact

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

What step does every scientific experiment begin with?

• hypothesis
• question/problem
• procedures
• conclusion

The summary at the end of an experiment that explains the results. 

• conclusion
• procedures
• materials
• responding variable

Observations made during an experiment are called:

• data
• problems
• conclusions
• questions

Tags

NGSS.HS-LS2-3

Urine is one way that our body gets rid of ___________.

• pee
• liquids
• waste
• carbon dioxide

What does the digestive system do?

• Breaks down and handles food
  
  
• Pumps blood throughout the body
• Helps you breathe
• Helps your arms and legs move

Tags

NGSS.MS-LS1-7

Which of the following is not part of the digestive system?

• mouth
• esophagus
• heart
• intestines

This tube is made of smooth muscle and carries food from your mouth to your stomach.

• trachea
• intestines
• esophagus
• urethra

Tags

NGSS.MS-LS1-3

Your body couldn’t breathe without this system. Which one is it?

• circulatory
• skeletal
• respiratory
• urinary