Science safety and general knowledge
particle model
states of matter
mixtures
separation techniques
100

๐Ÿฅผใฏใ€€ใซใปใ‚“ใ”ใงใ€€ใชใ‚“ใงใ™ใ‹

ใฏใใ„

100

What are all matter made up of?

Answer one word in Japanese.

ใ‚Šใ‚…ใ†ใ—

100

๐Ÿ’ง๐ŸŒŠใ€€What is this state of matter in Japanse?

ใˆใใŸใ„

100

What is "mixture" in Japanese?

ใ“ใ‚“ใ”ใ†ใถใคใ€€

100

How would you separate something according to size?

Hand picking

sieve/ colandar/ sift

200

Name one thing you should not do in the science lab.

Eat, drink, run, muck around.

200

Describe the particles in a ใ“ใŸใ„

close together 

vibrating 

200

Name all 3 states of matter in Japanese 

ใ“ใŸใ„

ใˆใใŸใ„

ใใŸใ„

200

What are the names of two TYPES of mixtures?

homogeneous mixture

heterogeneous mixture

200

How would you separate iron filings and sand?

magnet 

300

What equipment is used to measure temperature?

Answer in Japanese.

ใŠใ‚“ใฉใ‘ใ„

300

๐Ÿฅตใ‚ใคใ„ใ€€ใจใใ€ใ€€ใ‚Šใ‚…ใ†ใ—ใ€€ใฏ๏ผš

๐ŸขใŠใใ„

๐Ÿฐใฏใ‚„ใ„

๐Ÿฐใฏใ‚„ใ„

300

What would  be and what is this process called? 

๐ŸงŠใ“ใŸใ„๏ผ‹๐Ÿ”ฅใ‚จใƒใƒซใ‚ฎใƒผโ†’๏ผŸ

๐ŸŒŠใˆใใŸใ„

ใจใ‘ใ‚‹ to meltใ€€

300

what makes up ใ‚ˆใ†ใˆใ๏ผŸ

Answer in Japanese and English.

ใ‚ˆใ†ใ—ใคใ€€๏ผ‹ใ€€ใ‚ˆใ†ใฐใ„

solute + solvent

300

How would you separate ใ™ใชใ€€๏ผ‹ใ€€ใฟใš

filtration

400

What should you do when you have broken a piece of glass during a prac?

Make sure noone comes close to the broken glass at all times.

Make sure sensei is notified.

Collect broom and sweep from sensei and carefully sweep up broken glass.

While sensei or another student sweeps up the glass with a broom, make sure nobody comes close to the broken glass.

400

ใใŸใ„ใ€€ใฎใ€€ใ‚Šใ‚…ใ†ใ—ใ€€ใฏ๏ผš

โšซ<---------->โšซใจใŠใ„ใ€€ใงใ™ใ€‚

โšซ<->โšซใกใ‹ใ„ใ€€ใงใ™ใ€‚

ใใŸใ„ใ€€ใฎใ€€ใ‚Šใ‚…ใ†ใ—ใ€€ใฏโšซ<---------->โšซใจใŠใ„ใ€€ใงใ™ใ€‚

400

Describe what the process of evaporation is by filling in the blanks 

Jyouhatsu ha ______ + ๐Ÿ”ฅnetsu enerugi-ใ€€wa __________ ni narimasu.


Jyouhatsu ha EKITAI + ๐Ÿ”ฅnetsu enerugi-ใ€€wa KITAI ni narimasu.

400

Give an every day example of a ใ‚ˆใ†ใˆใ

include what makes it a ใ‚ˆใ†ใˆใ

coffee: coffee (solute) dissolved into hot water (solvent)

sea water: salt (solute) dissolved in water (solvent)

400

What is ใ‚ใˆใ and what type of separation does it come from?

filtration.

It is the liquid filtered through the filter, called a filtrate.

500

Describe the steps to safely use a Bunsen burner in 5 steps

Make sure tainetsumatto is under the ใŒใ™ใฐใƒผใช

Check the tubing for cracks or holes, and secure connection to ใŒใ™ใฐใƒผใช.

 Make sure the air hole is closed by turning the collar (neji).

Communicate to ensure one person strike the match down and away from other people or things. Hold match up towards the chimney of ใŒใ™ใฐใƒผใช.

When ready, other person turns on the gas tap.


500

Oil floats on water. Using the particle model, explain why this happens.


oil particles are more spread out / less dense than water, so oil floats

500

Explain what condensation is and include an every day example.

Condensation is when kitai (gas) has heat energy taken away in the environment and becomes ekitai (liquid).

Everyday examples include 

  • Cold beverage glasses: Water droplets forming on the outside of a cold glass of iced water on a hot summer day.
  • Bathroom mirrors: Fog on the mirror after a hot shower.
  • Window sweat: Moisture on the inside of cold windows during winter as indoor warmth meets the glass.
  • Morning dew: Water droplets appearing on grass or car windshields early in the morning.
500

give an example of a 

ใตใใ‚“ใ„ใคใ€€ใ“ใ‚“ใ”ใ†ใถใค and a  ใใ‚“ใ„ใคใ€€ใ“ใ‚“ใ”ใ†ใถใค

ใตใใ‚“ใ„ใคใ€€ใ“ใ‚“ใ”ใ†ใถใค:anything that has separate components 

ใใ‚“ใ„ใคใ€€ใ“ใ‚“ใ”ใ†ใถใค: anything that is fully dissolved

500

Describe TWO scenarios that decantation would be a successful separation technique.

What would you be separating? 

Liquid and Insoluble Solid Mixtures 

Separating two liquids of different densities that do not dissolve into each other.