Book 22 science quiz: free printable worksheet

Fill in the missing number

Number bank: 27   30   50   90   100   200   400   600   1,000   1966   8,000   10,000

1. An old-style incandescent bulb gives off about _______ percent of its energy as heat, not light.
   From: How Does Energy Change From One Form Into Another?
2. Galileo rolled balls down ramps about _______ years ago to study how things speed up.
   From: Why Does a Ball Speed Up Faster on a Steeper Hill?
3. Deep inside the Sun, the temperature is about _______ million degrees Fahrenheit, and the pressure is enormous.
   From: What Makes the Sun Give Off So Much Energy?
4. On a clear day at noon, sunlight delivers about _______ watts of power to every square meter facing it.
   From: How Much Power Does Sunshine Bring to One Square Meter?
5. The surface of the Sun is about _______ degrees Fahrenheit, which is hot enough to glow yellow-white.
   From: How Hot Is the Sun’s Surface, and How Hot Is Its Core?
6. One gallon of gasoline holds about as much energy as a _______-watt bulb uses in two weeks.
   From: Why Do Liquid Fuels Pack So Much Energy?
7. A big electric eel can make over _______ volts.
   From: How Can an Eel’s Body Make Electric Shocks?
8. One bar-tailed godwit flew more than _______ miles without stopping, fueled by stored fat.
   From: Why Do Migrating Birds Eat So Much Before a Long Trip?
9. Today’s biggest turbines are taller than a _______-story building, with blades longer than a jumbo jet’s wingspan.
   From: Why Do Wind Farms Put Their Turbines So High Up?
10. A tidal station in France has been making electricity since _______.
    From: How Does a Tidal Power Station Use the Ocean?
11. A strong athlete can make _______ or more for a short time.
    From: How Much Electricity Can You Make by Pedaling?
12. Washing machines have become far more efficient than ones from _______ years ago.
    From: What Do Energy Star and EnerGuide Labels Tell Us?