Working Scientifically

when measuring a liquid you must...

• read from the bottom of the meniscus

• get to eye level

• put the object on a flat surface

• all of the above

should a Bunsen burner air hole be open or closed before lighting?

• open

• closed

what is this?

• test tube

• beaker

• bunsen burner

• conical flask

what is this

• basin

• gauze

• beaker

• evaporating basin/dish

what is this?

• BBQ tongs

• test tube tongs

• scissor tongs

• tweezers

what does this safety symbol mean?

• may cause cancer

• can destroy your skin

• corrosive

• caution

what does this safety symbol mean?

• flammable

• light on fire

• get the fire extinguisher

• can burn your skin

what does this safety symbol mean?

• irritant

• impossible

• impractical

• can only be used by people with names starting with I

what does this safety symbol mean

• explosive

• will cause you to be sick

• corrosive

• may cause cancer

to get a blue flame should the air hole be open or closed

• open

• closed