conserve (verb) to protect from loss

• Sample Sentence: José and Rachel carefully conserved their water as they hiked through the desert.

• Turn and Talk: What are three things you can do to conserve water at home?

renewable (adjective) able to be replaced

• Sample Sentence: Nations around the world are investing in renewable energy.

• Turn and Talk: Describe what is meant when people talk about “renewable resources.” What are some examples? 

invest (verb) to put money or resources toward something, expecting a future benefit

• Sample Sentence: Research institutions invest a lot of money into programs for recycling, water purification, and renewable energy.

• Turn and Talk: What can young people do to invest in their futures?

proceed (verb) to move forward

• Sample Sentence: Since the road was under construction, many signs alerted drivers to “proceed with caution.”

• Turn and Talk: Has the school year proceeded according to your expectations? Explain.

maximize (verb) to increase to the greatest possible amount

• Sample Sentence: Green technology can help conserve the natural environment and maximize resources.

• Turn and Talk: How do you maximize the amount of sleep you get on school nights?