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

A 1250 kg car is stopped at a traffic light. A 3550 kg truck moving at 8.33 m/s hits the car from behind If bumpers lock, how fast will the two vehicles move?

Describe at least 1 advantage and 1 disadvantaged to learning about a scientific discovery from A) a scientific journal B) the internet C) a daily newspaper

a hammer falls off a roof and strikes the ground with a certain kinetic energy. If it fell from a roof twice as tall, how ouwld its kinetic energy compare? Explain.

Earth is like a bar magnet. What does this mean about its magnetic poles? Question 5 options: a. There is only a magnetic north pole. b. There are both magnetic north and south poles. c. There is only a magnetic south pole. d.

What is the wavelength of an earthquake wave if it has a speed of 13 km/s and a frequency of 14 Hz?

Shows a 190 g hamster sitting on an 820 g wedge-shaped block. the block, in turn, rests on a spring scale. an extra-fine lubricating oil having μs=μk=0 is sprayed on the top surface of the block, causing the hamster to slide down.

What will happen to the hydronium ion concentration and pH of the water if hydrochloric acid is added to water?

What is the main driver of the water cycle

What two types of evidence are used to classify orgianisms?

What is the name of the fine soil particles deposited by rivers?