Matter, Atoms, Elements and Molecules

What is the smallest unit of all matter and the smallest unit of an element?

• a molecule

• an atom

• a tsunami

• nucleus

What are the three smaller particles found in every atom?

• solid, liquid, gas

• molecules, compounds and elements

• protons, neutrons and electrons

• hydrogen, oxygen and neon

Matter is______________________________ .

• anything that has mass and takes up space

• light from the sun

• heat from the sun

• anything that has carbon

The dense area in the center of an atom that contains protons and neutrons is called the ____________________ .

• nucleus

• atom

• mass

• volume

A molecule is created when two ______________ are joined together.

• protons

• superheroes

• atoms

• elements

Tags

NGSS.MS-PS1-1

A rock has atoms that are tightly packed together, and the rock sinks in water. A rubber ducky floats in water. The rock has more ______________ than the ducky.

• matter

• density

• elements

• holes

Tags

NGSS.MS-PS2-2

The ability of matter to be dissolved in a liquid means that the matter is _________________ .

• soluble

• magnetic

• red in color

• sweet

Which Science word means the amount of space something takes up?

• classify

• evaporation

• volume

• energy

What is the chart called that scientists use to organize the elements?

• the study of frogs

• the periodic table

• the kitchen table

• the list of matter in the universe

Which property of matter means that the matter attracts iron objects?

• freezing point

• density

• magnetic

• soluble

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5