Use the imperative or the present simple tense to fill in the gap. She always ............................ (wash) her hands before and after an experiment.
washes
Oops!
Check
Okay!
Check
thief
Give points!
5
10
15
20
25
magnet
Take 20 points!
Okay!
fairy
Take points!
5
10
15
20
25
banana
Go to last place!
Oops!
baam
Lose 25 points!
Oops!
shark
Other team loses 10 points!
Okay!
rocket
Go to first place!
Okay!
banana
Go to last place!
Oops!
15
Use the imperative or the present simple tense to fill in the gap. "............... (use) a volumetric flask to measure precise volumes of liquid materials in lab experiments."
Use
Oops!
Check
Okay!
Check
15
What is the imperative?
Wear lab coats, safety glasses and closed shoes in the lab.
Oops!
Check
Okay!
Check
15
What is the imperative?
Don't wear flip flops. / Wear closed toe shoes.
Oops!
Check
Okay!
Check
thief
Give points!
5
10
15
20
25
shark
Other team loses 20 points!
Okay!
fairy
Take points!
5
10
15
20
25
banana
Go to last place!
Oops!
15
Complete the sentence with an imperative or a present simple form. ........................................ (not touch) hazardous substances.
Don't touch
Oops!
Check
Okay!
Check
15
Use the imperative or the present simple tense to fill in the gap. Lab technicians ............................ (wear) proper PPE when handling acids and chemicals.
wear
Oops!
Check
Okay!
Check
15
Use the imperative or the present simple tense to fill in the gap. Chroline ................................ (cause) burns and eye damage.
causes
Oops!
Check
Okay!
Check
15
Use the imperative or the present simple tense to fill in the gap. We ................................ (store) test tubes in the rack to avoid spillage.