unobservable

"My friend told me there was something in the box, but I didn't know what it was yet. "

"the cans and cannots"

"Any painter can benefit from the presence of a live model from which to draw."

"The new technology in our school's library allows students to access millions of books online. "

"I went to the park because the weather was nice. "

"Do you need a gift for that special someone?"

"Scientists study plants to understand how they grow. "

"From this vantage point we can observe the behavior of the animals in their natural habitat."

"After the party, the only remains were empty plates and a few scattered candies. "

"The path from the school to my house goes directly through the park. "

"The greatest weapon against stress is our ability to choose one thought over another."

"I believe there are faeries."