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. She always ............................ (wash) her hands before and after an experiment.
washes
Oops!
Check
Okay!
Check
trap
No points!
Oops!
star
Double points!
Okay!
shark
Other team loses 15 points!
Okay!
banana
Go to last place!
Oops!
15
What is the imperative?
Don't run in the lab.
Oops!
Check
Okay!
Check
15
What is the imperative?
Don't eat or drink in the lab.
Oops!
Check
Okay!
Check
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
trap
No points!
Oops!
gift
Win 15 points!
Okay!
shark
Other team loses 20 points!
Okay!
banana
Go to last place!
Oops!
15
Use the imperative or the present simple tense to fill in the gap. We ................................ (store) test tubes in the rack to avoid spillage.
store
Oops!
Check
Okay!
Check
15
Complete the sentence with an imperative or a present simple form. ........................................ (not touch) hazardous substances.
Don't touch
Oops!
Check
Okay!
Check
baam
Lose 15 points!
Oops!
gift
Win 20 points!
Okay!
fairy
Take points!
5
10
15
20
25
thief
Give points!
5
10
15
20
25
15
What is the imperative?
Wear lab coats, safety glasses and closed shoes in the lab.
Oops!
Check
Okay!
Check
15
Use the imperative or the present simple tense to fill in the gap. Chroline ................................ (cause) burns and eye damage.