Food Science Quiz 1

Which elements are found in water?

• hydrogen and nitrogen
• hydrogen and oxygen
• oxygen and carbon
• hydrogen and carbon

Glucose is best describeds as

• element
• atom
• ion
• molecule

Which is not recommended when doing lab activities?

• wear safety goggles
• wear long pants
• wear sandals
• wash hands

What is the density of water?

• 0.5 g/mL
• 1 g/m
• 0.5 g/m
• 1 g/mL

Which subatomic particle has a negative charge?

• proton
• electron
• neutron
• nucleus

What is the density of a necklace that has a mass of 10.8 g and volume of 1.4 mL?

• 0.13
• 7.7
• 7.7 g/mL
• 0.13 g/mL

You read a graduated cylinder in increments of 1 mL with water filled to what seems to be between 120 mL and 130 mL. what is the best answer that can be recorded?

• 119.90 mL
• 125 mL
• 125.3 mL
• 125.33 mL

How should long hair be dealt with before each lab activity?

• cut it short
• tie it up
• hold it up during the lab
• none of these

Which particle has the least mass?

• electron
• proton
• neutron
• atom

What does an atomic number represent?

• the number of electrons the atom contains
• the number of protons the atom contains
• the number of neutrons the atom contains
• the number of atoms the atom contains