<section><h2>Quiz: Science #5</h2><p><p><span style="color: rgb(64, 64, 64);">How's your science knowledge? Test yourself and see if you really are Top Class.</span></p></p></section><section><h2>In our Solar System, which is the sixth planet from the Sun?</h2></section><section><h3>Which English scientist known for his law of universal gravitation was born on Christmas Day 1642?</h3><p><p>(According to the Julian calendar, in use in England at the time.)</p></p></section><section><h3>Which part of the body do frogs and salamanders typically use to catch their prey?</h3></section><section><h3>What is a large prehistoric mammal with long tusks and a shaggy coat, that is an extinct relative of the elephant?</h3></section><section><h3>Which organ of the body is made up of parts including the cornea, iris and pupil?</h3></section><section><h3>In the word 'hydroelectric', the prefix 'hydro' refers to which substance, with the chemical symbol H2O?</h3></section><section><h3>Which word means both a type of pointed tooth, and a family of animals that includes dogs and wolves?</h3></section><section><h3>Sirius, Antares and Proxima Centauri are named examples of what type of astronomical object?</h3></section><section><h2>Try again...</h2><p><p>Looks like there's some revision needed before you're Top Class in science.</p></p></section><section><h3>So close...</h3><p><p>You're getting there! You know you're stuff but there's a little way to go.</p></p></section><section><h3>Top Class!</h3><p><p>You're a science whiz! You could write the books yourself with all that knowledge.</p></p></section>