Which products do you think required scientific knowledge to develop? Check all that apply.

_ a flashlight

_ a cell phone

_ a hair dryer

_ eyeglasses

_ a microwave

_ a household cleaner

Where do most metamorphic rocks processes take place?

Which shows the correct order of steps during the formation of an ionic bond? Ions are attracted to each other → Electrons are transferred → An ionic compound forms An ionic compound forms → Ions are attracted to each other → Electrons are

If 600 J work is done in 3s what is power?

7. What type of mineral can scratch glass, but cannot scratch steel? A. Gypsum B. Diamond C. Feldspar D. Fluorite

Which of the following statements about matter is true? Mass and matter are always the same. Matter is made up of atoms and has mass. Mass can decrease while matter increases. Matter does not exist in the biosphere.

Why did the chicken cross the road.

A 98.1 kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.69 rad/s. A monkey drops a 9.29 kg bunch of bananas vertically onto the platform.

7. A type of non-renewable energy would be: O wind O petroleum O water solar

A refrigerator is a system. The energy input into the refrigerator system (in the form of electricity) is the same as the amount of energy output from the system. Which of the following best describes the energy output of the system?

A 1,120 kg car is travelling with a speed of 40 m/s. Find its energy.