Post-Test 22-23

Which of the following describes the law of conservation of energy?

• Energy CANNOT be created or destroyed

• Energy CAN be created.

• When energy is conserved, it ALWAYS changes forms

• Energy INCREASES when it is transferred from one object to another.

Kinetic energy is the energy of _________.

• potential

• motion

• gravity

• distance

Energy that results from the position or shape of an object is _________.

• potential energy

• kinetic energy

• thermal energy

• mechanical energy

The smallest part of an element that makes up all matter is called a/an _________________.

• protons

• molecules

• building blocks

• atoms

What 2 subatomic particles make up the nucleus (small central core) of an atom?

• protons; electrons

• protons; neutrons

• electrons; neutrons

• neutrons only

What subatomic particle is negatively charged and orbits around the outside of the nucleus?

• protons

• neutrons

• electrons

The periodic table lists ____________.

• compounds

• elements

• mixtures

• molecules

All living things are made of cells.

• True

• False

The small structures inside of cells that perform cellular processes that keep the cell alive are called _________________.

• organs

• cell structures

• tissue

• organelles

Plants and animals are made of the same types of cells.

• True

• False