# data[].attributes.headline
Use simple tools and materials to conduct an investigation. 

# data[].attributes.subject
Use simple tools and materials to conduct an investigation. 

# data[].attributes.headline
Conduct simple investigations to answer questions. 

# data[].attributes.subject
Conduct simple investigations to answer questions. 

# data[].attributes.headline
 Investigate physical change by making observations and asking questions. 

# data[].attributes.subject
 Investigate physical change by making observations and asking questions. 

# data[].attributes.headline
 Recognize that objects vibrate to make sound. 

# data[].attributes.subject
 Recognize that objects vibrate to make sound. 

# data[].attributes.headline
 Scientists use evidence to develop and communicate outcomes.

# data[].attributes.subject
 Scientists use evidence to develop and communicate outcomes.

# data[].attributes.headline
Scientists use tools to conduct investigations, gather data, and answer questions

# data[].attributes.subject
Scientists use tools to conduct investigations, gather data, and answer questions

# data[].attributes.headline
  People learn about things by asking questions and making careful observations

# data[].attributes.subject
  People learn about things by asking questions and making careful observations

# data[].attributes.headline
Some objects make sounds by vibrating (e.g., rubber band, guitar string).

# data[].attributes.subject
Some objects make sounds by vibrating (e.g., rubber band, guitar string).

# data[].attributes.headline
When objects move they sometimes make sounds

# data[].attributes.subject
When objects move they sometimes make sounds

# data[].attributes.headline
Sound: Loud, Soft, High, and Low - Natalie M. Rosinsky 

# data[].attributes.subject
Sound: Loud, Soft, High, and Low - Natalie M. Rosinsky 

# data[].attributes.headline
 Vibrations Make Sound - Jennifer Boothroyd 

# data[].attributes.subject
 Vibrations Make Sound - Jennifer Boothroyd 