Which of the following is a chemical change?

a. Freezing water

b. Melting ice

c. Bending a wire

d. Burning paper

A lava flow is an example of what igneous rock

What device uses radiation or particles to split a beam so that the number of different types of radiation or particles can be measured? magnetometer odometer spectrometer galvanometer

Stronger surface waves cause greater rock motion and more damage True False

Which is an example of radiation? Check all that apply. Troy's hand is burned when he touches hot wax. Earth is heated by energy from the Sun. A hot dog is held over a fire and gets warm. Soup is heated in a microwave.

What do we call the quantity force multiplied by distance

I am looking for this answer : Which shows a correct order of steps in the scientific method? develop a hypothesis, analyze data, make observations, draw conclusions make observations, draw conclusions, develop a hypothesis, analyze data.

A gas in a piston is compressed doing - 439 j of work, and its internal energy increases by 318 j. how much heat flows? (be careful with + and -. + w = expansion. + q = added, + u = temp goes up) (unit = j)

A loop of wire is placed in a uniform magnetic field. (a) For what orientation of the loop is the magnetic flux a maximum? The plane of the loop is perpendicular to the magnetic field. The plane of the loop is parallel to the magnetic field.

Dr. Arenas is a scientist who has been trying to determine if increasing pressure will increase the sound that occurs when two chemicals explode.

Stephen buys a new mop he travels 3 km south and the. 4 km east and then 3km north how far does he need to go to get back. To where he started