Which of the following is a good thermal insulator?*

Iron

Styrofoam

Silver

Graphite

Carbon is released into the atmosphere through melting rocks deep in the Earth. boiling water. lightning. burning fossil fuels.

Why does paper stand up when a van de graaf generator is on?

A planet is discovered orbiting around a star in the galaxy Andromeda at four times the distance from the star as Earth is from the Sun.

What is a physical change in matter?

What is the Primacy Effect? Question 1 options: (a) The tendency of people to like winning more than losing (b) The tendency for items at the beginning of a list to be recalled more easily than other items.

An object is suspended from the ceiling with two wires that make an angle of 40° with the ceiling. The weight of the body is 150 N. What is the tension in each wire? 41.6 newtons 82.3 newtons 150 newtons 117 newtons

What is the value of 9682 when rounded to three significant figures

Why do atoms move at different speeds depending on wether they are liquids or solids

What are the arrangement of resistors in series

A cell provides 6 V to an LDR. The current through this LDR is measured and is found to be 3 A. What is the resistance of the LDR?