8. What is not changed when work is done by a machine?

Which is a physical change? A. strawberries liquefied in a blender B. strawberries cooked into jelly C. strawberries left out to mold

What happens to the volume of gas when the temperature drops? Also What happens to the volume of gas when the temperature rises?

Which science term best describes air?

What does latitude measure

A polar bear walks a distance of 160 meters in 60 seconds. What was its speed?

What do you call a drug that increases speed

2. How is frequency described in mathematical terms?

During a summer with little rainfall, your house on a hill slope experiences an interval during which your well runs dry. You have to borrow water from your neighbor who lives downslope from you. Why does your neighbor have water when you don't?

If a force does not act parallel to the resulting displacement, what is the effect on the work done by the force?

A stick is a connection of two same - diameter metal rod 5 cm, and a length of both stick is 0,6m. The thermal conductivity of the first rod 92 cal / s. m.°C, and the second stick 50 cal / s. m.°C.