M1 Science Unit 1 Quiz

Fill in the blanks. ______ is the smallest unit of ordinary matter that forms a chemical element.

• Matter
• A particle
• An atom

Fill in the blanks. In classical physics and general chemistry, _____ is any substance that has mass and takes up space by having volume.

• a particle
• matter
• an atom

Fill in the blanks. In the physical sciences, ______ is a small localised object to which can be ascribed several physical or chemical properties such as volume, density or mass.

• matter
• an atom
• a particle

'Particles are like Lego pieces; You put them together to make an atom. Atoms can form bonds with other atoms to make molecules. An atom is the smallest unit of an element. They are made up of electron, neutrons, and protons which are all particles.' True or false?

• True
• False

Democritus did not believe that empty space exists, but instead believed that all matter is made of fire, water, air, and earth. True or false?

• True
• False

What was the 1981 invention of a high-powered microscope called?

• a scanner tension microscope
• a scanning tunneling microscope
• a tunnel vision microscope
• a high-powered scannerscope

Scientists have learned that atoms are not the smallest particles of matter. True or false?

• True
• False

What is a nucleus made up of?

• Neutrons and protons
• Smaller nuclei
• Electron clouds

What is a proton?

• the positively charged central core of an atom
• a stable subatomic particle occurring in all atomic nuclei.
• a stable subatomic particle with a charge of negative electricity

What is a nucleus?

• a stable subatomic particle occurring in all atomic nuclei
• the positively charged central core of an atom
• a stable subatomic particle with a charge of negative electricity