Nine Weeks Review

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• recipe
• data collection
• metric system

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

• dependent variable
• independent variable
• data
• control group

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

• The type of plant
• The amount of sunlight
• The type of music
• The type of liquid

If you increase the amount of spinach you eat, then you will increase the iron in your blood. 
What's the dependent variable?

• increase the amount of iron in your blood
• spinach you eat

This is the group that we will compare our experimental group to. This group stays "normal."

• Control Group
• Experimental Group
•  Normal Group
• Weird Group

This is the group that is affected by the independent variable or the group that is changed.

• Control Group
• Experimental Group
• Changed Group
• Cool Group

The use of your senses to understand the world around you.

• Inference

• Observation

• Hypothesis

• Conclusion

Tags

NGSS.MS-LS1-8

He developed the planetary model of the atom.

• Rutherford
• Bohr
• Chadwick
• Dalton

A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass

• Electron Shells
• Orbitals
• Electron Cloud
• Nucleus

Tags

NGSS.HS-PS1-8

This particle is found in the nucleus and has a positive charge

• Electron
• Proton
• Neutron
• Neutral