Book 18 science quiz: free printable worksheet

Fill in the missing number

Number bank: 2   10   21   23.5   28.8   90   190   1,500   1,800   2021   5,000   12,400

1. If all of Antarctica’s ice melted, the sea would rise by about _______ feet.
   From: How Thick Is the Ice in Antarctica?
2. National Geographic began showing the Southern Ocean as its own ocean on its maps in _______.
   From: What Is the Southern Ocean?
3. In places with midnight Sun, kids may play outside at _______ a.m.
   From: What Is the Midnight Sun?
4. At the North Pole, the Sun never climbs higher than about _______ degrees in the sky.
   From: Why Does the Sun Circle Around the Sky at the Poles Instead of Rising and Setting?
5. Midwinter Day is June _______, the darkest day of the year in the southern hemisphere.
   From: How Do Scientists at the South Pole Celebrate the Middle of Winter?
6. Seawater freezes at about _______ degrees Fahrenheit because it’s salty.
   From: How Can Some Fish Live in Water That Is Colder than Freezing?
7. Emperor penguins can dive more than _______ feet, deeper than the height of the Empire State Building.
   From: How Deep Can Emperor Penguins Dive?
8. A bowhead’s mouth can hold baleen plates over _______ feet long.
   From: How Can a Bowhead Whale Live for 200 Years?
9. IceCube uses over _______ sensors spread through a cubic kilometer of ice.
   From: Why Do Scientists Put Giant Telescopes at the South Pole?
10. The ship drifted about _______ miles with the ice.
    From: What Is a Research Ship That Spends a Year Frozen in the Ice?
11. Mount Erebus is about _______ feet tall.
    From: Is There a Volcano in Antarctica?
12. Fresh snow reflects up to about _______ percent of sunlight.
    From: Why Does White Ice Help Cool the Planet?