Gwyddoniaeth

Pa un ydi'r planed goch? / Which is the red planet?

• Mercher / Mercury

• Mawrth / Mars

• Gwener / Venus

• Iau / Jupiter

Beth ydi enw'r darn yma o offer? / What is this piece of equipment called?

• Gwresogydd / Burner

• Gwresogydd sbirit / Spirit Burner

• Gwresogydd Bunsen / Bunsen Burner

• Gwresogydd bunsen / bunsen Burner

Pa tymheredd ydi'r poethaf? / Which temperature is hottest?

• 0 degrees Celcius

• 0 degrees Farenheit

• 100 degrees Celcius

• 100 degrees Farenheit

Enwch ble mae craig hylif yn torri drwy cramen y Ddaear. / Name when liquid rock erupts through the Earth's crust.

• Llosgfynydd / Volcano

• Geyser

• Daeargryn / Earthquake

• Guto Ffowc / Guy Fawkes

Sut mae egni gwres yn teithio? / How does heat energy travel?

• o boeth i oer / from warmer to colder

• o oer i boeth / from colder to warmer

Beth ydi'r enw pan mae'r lleuad yn rhwystro'r haul? / What is it called when the moon blocks the sun?

• Lunar Eclipse

• Full Moon

• Solar Eclipse

• Solar Flare

Mewn beth mae asidedd yn cael ei fesur? / What is a measure of acidity called?

• PH

• Ph

• ph

• pH

Pwy ydi'r gwyddonydd enwog yma? / Who is this famous scientist?

• Albert Einstein

• Ernest Rutherford

• Thomas Edison

• Jamie Lichtwark

Beth ydi rhagfynegi? / What is a hypothesis?

• canlyniadau yr arbrawf / results from the experiment

• offer yr arbrawf / equipment in the experiment

• dysgu yn yr arbrawf / learnt in an experiment

• dyfalu beth sydd am ddigwydd yn yr arbrawf / prediction of the experiment

Beth ydi'r tri cyflwr mater? / What are the three states of matter?

• daear, gwynt, tân / earth, wind, fire

• bach, canolig, mawr / small, medium, large

• cig, tatws, llysiau / meat, potato, vege

• solid, hylif, nwy / solid, liquid, gas