solvents, solutes, and solutions!
Energy Conservation!
Forces!
Matter!
the human body!
100

what is the universal solvent?

water

100

what are fossil fuels?

a nonrenewable sorce?
100

list some examples of external forces

wind, rain, snow

100

is fire matter

yes

100

true or false we breath 10,000 liters of air a day

true

200

what is a solute?

the substance that is being disolved 

200

list 4 examples of renewable energy?

solar, wind, water, heat

200

what is the difference between a dynamic load and a static load?

a dynamic load is a load that changes weight

example: a person

a static load is a load that weight stays the same 

example: an orange

200

true or false:  physical changes can never be undone

false 

some physical changes like ice melting can be undone

200

how many muscles does the human body have?

600

300

what is a solvent?

the substance that is doing the disolving

300

what fossil fuels are made when a dinosour dies in the water?

natural gas, oil

300

what is shear force?

opposite or parallel force

300

wwhat are the 3 main states of matter 

liquid, gas, solid

300

your brain stem controls and regulates what? 

controls your spinal cord 

regulates  your heart rate and breathing

400

what is a solution?

looks like a pure substance but is really a mixture

400

what are the cons of solar power?

when the sun is not  shining then the solar panels cant take in the suns heat

400

list the four internal forces

torsion- twisting in a circular motion         compression- push or compress                               tension- pull or stretch                                             shear- oposite or parallel 

400

give three examples of chemical change

log burning, baking cookies, rusting

400

the trachea branch into two tubes called what

branchi

500

what are the solutes in coffee?

coffee grains, sugar, cream, milk

500

list 3 examples of biofuels

canola, soybeans,corn

500

what is the difference between a live load and a dead load?

a live load is when there are things somwhere 

example: people on a bridge

a dead load is where there is nothing but things like gravity are still there

example: nobody on a bridge but gravity is still there

500

when you make cookies is that a physical or chemical change?

both

 you use the ingredients to make the batter changing their physical form

baking the cookies is a chemical change 

500

what surrounds an animal cell?

cell membranes

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