Extra

Question 1

True or false during energy transfers some energy is usually destroyed

Answer 1

False

Question 2

Renewable energy recourses will

Answer 2

never run out of

Question 3

Which of these isn’t used for cooking
a. microwaves
b. infrared
c. radio waves

Answer 3

c

Question 4

According to the nuclear model most of the atom is

a.electrons
b.protons
c.empty space

Answer 4

c

Question 5

what is the name for the flow of charge around a circuit

a. current
b. voltage
c. potential difference
d. resistance

Answer 5

a

Question 6

An object is irradiated what does it mean

a. the object gets unwanted radioactive atoms in it

b. the object is exposed to radiation

Answer 6

b

Question 7

True or false Alpha radiation can be stoped by a sheet of paper

Answer 7

true

Question 8

in a transverse wave the vibrations are

a. parrel to the direction of energy tranfer

b. perpendicular to the direction of energy tranfer

Answer 8

b

Question 9

true or false work and energy are both measured in the same units

Answer 9

true