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do an expriment
fill...with...
take...off...
get wet
be sure
New Words
holder
shallow
lighter
oxygen
examine
match
n.支托物
adj.浅的
n.打火机
n.氧气
v.检查
n.火柴
v.相称，相配
◆ Do you like doing science experiments?Why or why not ?
◆What will happen if you put a jar upside down over a burning candle?
Do science experiment
Let's do an experiment!
What do you need?
a candle
a big glass jar
a shallow dish
some water
a lighter or matches
What do you do?