List five examples from daily life in which you see periodic motion caused by a spring or cord.

Is it true or false that air pollution affects everyone equally

Which of these is most likely a step in the formation of soil? a. erosion of soil b. crystallization of rocks c. animals digging rocks d. solidification of organic matter

Through which of the following ways can heat be transferred?

The items listed below are found in a science classroom. 1. Heart made of plastic with many of its parts labeled 2. Clay formed to look like Earth and other planets 3. A giant plastic plant cell with removable cell parts 4. Fill in the blank.

Why is static electricity not useful as a powersource? * ?

What is the hottest layer in the Sun's atmosphere?

Which do you need to calculate the speed of a wave? A. distance and frequency B. distance and time C. time and frequency

What is one of the benefits that scientists have discovered from organisms' daily exposure to radioisotopes? 1. being able to Carbon date fossils 2. X-ray Imaging capability 3. radiation treatment for cancer 4. invention of microwave cooking

Despite valid research, in the late 1900s, women and minorities were thought to have a higher level of intelligence than white males

Radio communications were severely Distributed last week And the local newspaper says that solar activity is to blame. Which type of solar activity could the newspaper be talking about?