general science

Match it! Select the correct answer from the pull down...Good luck!

The chemical formula for water is:

DNA is the shortened form of:

What is the name of the largest ocean?

What is the name of the part of the human skeleton which protects our brain?

Pure water has a pH level of a around?

Which planet is closest to the sun?

Which of these carries a positive charge?

The fear of what animal is known as ‘arachnophobia’?