Which of the following describes a machine that is made up of a lever and a wedge?

simple machine

compound machine

pulley

efficiency

A tiny pig is dropped from the top of a building and lads safely on a trampoline. The tiny pig will have an increase in what type of energy as it falls?

What will be able to maintain temperature better: conductors or insulators?

When you turn off a light switch, you create an open circuit. True False

An apple in a tree has a gravitational store of 8J. As it falls, it accelerates constantly until it hits the ground. What is the apple's maximum kinetic energy store?

The most precise measurement of the speed of light in vacuum is 299,792,458 m/s. Which of the following values would you use to write this speed in scientific notation to three significant figures?

R was thirsty and decided to mix up a pitcher of lemonade. She put lemon juice, water, and sugar into a pitcher and stirred it to create this wonderful new drink. How could Taylor decide if she just created a mixture or a compound?

Make a prediction on how two A-tapes interact. Will they attract, repel or exert no force on each other?

8. A train rolls at a constant speed of 10 m/s across a horizontal track. A child standing on the flatbed of the train throws a ball so that it appears to move straight up to an observer standing next to the track. a.

What type of wave is a sound?

1. Find an example of electrical energy being converted to light energy. 2. Find an example of potential energy being converted to kinetic/mechanical energy. 3. Find an example of chemical energy being converted to sound energy. 4.