7ST2 End of Term Quiz

Give the equation for density

• Mass/Volume

• Volume/Density

• mass V volume

• mass/area

Calculate the density of a material that has a mass of 2g/cm3 and a volume of 4cm3

• 5g/cm3

• 0.5g/cm3

• 2g/cm3

• 8g/cm3

Define diffusion

• When a solute is added to a solvent

• When particles spread out from a low to high concentration

• When particles spread out from a high to low concentration

• When liquid particles change into gas particles

Which energy store fills when something is heated

• Kinetic

• Chemical

• Thermal

• Electrostatic

Which energy store fills when something moves faster

• Kinetic

• Chemical

• Thermal

• Electrostatic

Which energy store fills when something gets higher

• Kinetic

• Chemical

• Gravitational potential

• Electrostatic

Which pathway is it when something gets colder?

• Heating

• Thermal

• Electrical

• Radiative

Which pathway is it when something gets hotter?

• Heating

• Thermal

• Electrical

• Radiative

Can energy be created or destroyed?

• Sometimes

• Yes

• No

Which part of the cell stores genetic information

• Ribosomes

• Nucleus

• Cytoplasm

• Cell wall