KSA Science

What is the purpose of a wedge as a simple machine?

• Used to hold two things together

• Used to lift heavy objects

• To eat (ex. a wedge of cheese)

• Used to raise water buckets from wells

What is work in physics?

• Your job

• Putting energy into an object

• Removing pressure from an object

• Keeping the structure of a object

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is a dilute solution?

• solution where no more solute will disolve.

• solution with a large number of solute particles

• solution with a small number of solute particles

• solution where there is no solute particles.

What type of mixture is coffee?

• compound mixture

• element mixture

• homogeneous mixture

• heterogeneous mixture

What is effluent?

• The abundance in natural resources

• Solids that are able to dissolve in water

• The greatest medical invention in the last 150 years

• Waste water that pours into rivers and lakes

What are the two main types of energy?

• Kinetic, Electrical

• Potential, Kinetic

• Electrical, Potential

• Nuclear, Kinetic

Tags

NGSS.MS-PS3-2

What is the equation for heat?

• c = mQ∆T

• Q = mc∆T

• ∆T = Qmc

• m = Qc∆T

Tags

NGSS.MS-PS1-4

What is geothermal energy?

• Heat that the Earth stores in it's core

• Energy that travels all over Earth and into the core

• Heat that comes from the sub-surface of Earth.

• Energy that we don't need and travels into the Earth's core.

What is the pyramid of numbers?

• What Egyptians used in the 10th century BC to understand science

• Scientists used these pyramids to understand the habitats of different microorganisms

• Total number of organisms at each level of a food chain

• A system of interlocking and interdependent food chains

Tags

NGSS.MS-LS2-3

Which ones are microorganisms?

• Protozoa

• Canis Lupin

• Archaea

• Sus Scrofa