PS Semester 1 Final Review

How are science and technology related?

• technology is a branch of natural science

• science is a branch of technology

• advances in science may lead to advances in technology and vice versa

• science and technology are not related

Tags

NGSS.MS-PS3-3

Which of the following is a characteristic of a mixture?

• has varying properties

• has a fixed composition

• contains only pure substances

• is the same as an element

Which of the following is malleable?

• glass

• pottery

• ice

• gold

Which of the following has the highest viscosity?

• corn syrup

• milk

• water

• orange juice

• water

• hydrogen

• gold

• table salt

Tags

NGSS.MS-PS1-4

Which of the following is a chemical change?

• ice melting

• ice being carved

• water boiling

• water breaking down into hydrogen and oxygen

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Forces of attraction limit the motion of particles most in

• a solid

• a liquid

• a gas

• an atom

Tags

NGSS.MS-PS1-4

The temperature and volume in a closed container of gas remain constant. If the number of particles of gas is increased, the gas pressure will

• increase

• decrease

• remain constant

• cause a decrease in the average kinetic energy of the particles

Rutherford's gold foil experiment provided evidence for which of the following statements?

• Negative and positive charges are spread evenly throughout an atom

• Alpha particles have a positive charge

• Gold is not as dense as previously thought

• There is a dense, positively charged mass in the center of an atom

The number of protons in one atom of an element is that element's

• mass number

• atomic number

• isotope

• balanced charge