Year 7 Science Quiz

Why should you wear safety goggles in the lab?

• To look cool

• To protect your eyes from chemicals and spills

• To help you see better

• Because the teacher says so

Why should you never run in the lab?

• You might trip and cause an accident

• It’s a rule for no reason

• It makes the teacher angry

• The floor is too slippery

Which piece of equipment is used to heat substances?

• Beaker

• Bunsen burner

• Measuring cylinder

• Test tube

What should you check before lighting a Bunsen burner?

• That your safety goggles are on

• That there are no flammable materials nearby

• That the air hole is closed before lighting

• All of the above

What type of flame is produced when the air hole is fully open?

• Safety flame (yellow)

• Roaring blue flame

• Orange flickering flame

• Invisible flame

What is a hypothesis?

• A random guess

• A scientific fact

• An educated guess based on observations

• A conclusion from an experiment

What is a "method" in the scientific process?

• A guess about what will happen in an experiment

• A detailed step-by-step plan on how to conduct an experiment

• The final conclusion of an experiment

• A list of materials used in the experiment

Which state of matter has a definite shape and volume?

• Solid

• Liquid

• Gas

• Plasma

How do the particles in a gas behave?

• They are tightly packed and vibrate in place

• They flow past each other but stay close together

• They move quickly and spread apart

• They stay still and do not move

What happens when a liquid turns into a gas?

• Condensation

• Freezing

• Evaporation

• Melting