For middle school students: goggles, chemicals, heat sources, spills, waste disposal and emergency equipment. About 8 minutes, 12 questions.
Pregunta 1 · Respuesta única · 20 s · 1 pt
What should you always wear in a science lab when working with chemicals?
- Safety goggles
- Sunglasses
- Headphones
- Open sandals
Pregunta 2 · Respuesta única · 20 s · 1 pt
What should you do first if you spill a chemical on the table?
- Wipe it with your hand
- Tell your teacher right away
- Ignore it
- Pour it down the sink
Pregunta 3 · Respuesta única · 20 s · 1 pt
Why should you tie back long hair in the lab?
- It looks nicer
- It helps you hear better
- It could catch fire or touch chemicals
- It makes you faster
Pregunta 4 · Respuesta única · 20 s · 1 pt
Where should broken glass be put?
- In the regular trash
- In the sink
- In your pocket
- In a special glass waste container
Pregunta 5 · Respuesta única · 20 s · 1 pt
What does a fire blanket do?
- Smothers a small fire on a person or object
- Keeps the room warm
- Cleans spills
- Cools the water
Pregunta 6 · Respuesta única · 20 s · 1 pt
What should you do before you leave the lab?
- Taste the chemicals
- Wash your hands
- Take samples home
- Leave the burner on
Pregunta 7 · Respuesta única · 20 s · 1 pt
How should you smell a chemical, if the teacher says it is safe?
- Put your nose in the container
- Inhale deeply
- Waft the vapor toward your nose with your hand
- Taste a little
Pregunta 8 · Respuesta única · 20 s · 1 pt
How should you hold a test tube while heating it?
- Point it at a classmate
- Seal it tightly
- Hold it with bare hands
- Point its opening away from everyone
Pregunta 9 · Respuesta única · 20 s · 1 pt
What does a lab eyewash station do?
- Rinses chemicals out of the eyes
- Washes dishes
- Cools the burners
- Heats water
Pregunta 10 · Respuesta única · 20 s · 1 pt
Which clothing is best for working in the lab?
- Sandals
- Closed shoes and a lab coat
- Loose scarf
- Flip-flops
Pregunta 11 · Verdadero / Falso · 20 s · 1 pt
You should never eat or drink in the laboratory.
Pregunta 12 · Verdadero / Falso · 20 s · 1 pt
It is fine to run around the lab when the teacher is not looking.