Everyday Science Mix, Set 2
40 questions · Answers revealed below each question · Print this set
1.Which blood vessel carries blood from the heart to the body?
- A. capillaries
- B. the largest artery, the aorta
- C. the pulmonary artery
- D. the vena cava
Show answer
the largest artery, the aorta
Did you know? The aorta is about as wide as a garden hose.
2.Which blood cells help blood clot at wounds?
- A. fever
- B. white blood cells
- C. antibiotics
- D. platelets
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platelets
Did you know? Low platelets cause easy bruising.
3.How many planets are in the Solar System?
- A. Seven
- B. Nine
- C. Eight
- D. Ten
Show answer
Eight
Did you know? Pluto was reclassified as a dwarf planet in 2006.
4.What unit measures an engine's power output?
- A. Meters
- B. Horsepower
- C. Liters
- D. Newtons
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Horsepower
Did you know? One horsepower is about 746 watts.
5.What trips a circuit breaker when too much flows?
- A. the distance light travels in a year
- B. periods of one thousand years
- C. small masses
- D. electric current
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electric current
Did you know? The ampere measures electric current.
6.What does a kitchen scale weigh out?
- A. periods of the day
- B. pressure
- C. small masses
- D. power
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small masses
Did you know? The gram is commonly used to measure small masses.
7.What is the name of the first artificial satellite?
- A. Sputnik 1
- B. Vostok 1
- C. Explorer 1
- D. Voyager 1
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Sputnik 1
Did you know? The Soviet Union launched it in 1957.
8.Which finger has its own pulse you can feel?
- A. None of them has a pulse
- B. The index finger
- C. The thumb
- D. The little finger
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None of them has a pulse
Did you know? Fingers have no artery you can press to count a pulse.
9.Which body process lets the brain consolidate memory and repair?
- A. the healing of wounds
- B. digestion
- C. breathing
- D. sleep
Show answer
sleep
Did you know? Adults need about seven to nine hours.
10.What do we call the span from the year 1000 to the year 2000?
- A. small volumes
- B. periods of one thousand years
- C. large land areas
- D. volume
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periods of one thousand years
Did you know? The millennium is commonly used to measure periods of one thousand years.
11.What does a resistor add to a circuit?
- A. electrical resistance
- B. volume
- C. temperature on the scale where water freezes at 32
- D. energy
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electrical resistance
Did you know? The ohm measures electrical resistance.
12.What comes in the order red, orange, yellow, green, blue, indigo, violet?
- A. a rainbow's colors
- B. kinetic energy
- C. a gear
- D. conduction
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a rainbow's colors
Did you know? Each color bends by a different amount.
13.How many bones are in the adult human body?
- A. 230
- B. 256
- C. 206
- D. 186
Show answer
206
Did you know? Babies start with about 300 bones that fuse over time.
14.Where is the pituitary gland located?
- A. Behind the knee
- B. In the abdomen
- C. In the neck
- D. In the brain
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In the brain
Did you know? It is about the size of a pea.
15.What is the SI unit of temperature on the water-freezes-at-zero scale?
- A. second
- B. calorie
- C. meter
- D. Celsius
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Celsius
Did you know? The SI unit of temperature on the water-freezes-at-zero scale is the Celsius.
16.Which space event is the explosive death of a massive star?
- A. a black hole
- B. Halley's Comet
- C. the International Space Station
- D. a supernova
Show answer
a supernova
Did you know? Supernovas forge many heavy elements.
17.Which unit is commonly used to measure the speed of ships?
- A. joule
- B. knot
- C. kilogram
- D. decibel
Show answer
knot
Did you know? The knot is a common unit for the speed of ships.
18.Which body system fights germs that enter the body?
- A. the immune system
- B. the largest artery, the aorta
- C. veins
- D. red blood cells
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the immune system
Did you know? Vaccines train it in advance.
19.What did old car ads brag about under the hood?
- A. volume
- B. distance
- C. engine power
- D. the amount of a chemical substance
Show answer
engine power
Did you know? The horsepower is commonly used to measure engine power.
20.What is the main function of red bone marrow?
- A. Storing fat
- B. Producing bile
- C. Filtering blood
- D. Making blood cells
Show answer
Making blood cells
Did you know? All blood cells begin life in the marrow.
21.Which space event happens when Earth's shadow falls on the Moon?
- A. gravity
- B. the aurora
- C. the International Space Station
- D. a lunar eclipse
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a lunar eclipse
Did you know? The Moon turns coppery red in totality.
22.Which hormone preps the body for quick action?
- A. fever
- B. adrenaline
- C. sleep
- D. antibiotics
Show answer
adrenaline
Did you know? It speeds the heart and opens airways.
23.How do astronomers pace distances inside the solar system?
- A. the distance light travels in a year
- B. electrical resistance
- C. electric potential
- D. the average Earth–Sun distance
Show answer
the average Earth–Sun distance
Did you know? The astronomical unit is commonly used to measure the average Earth–Sun distance.
24.What does a milk carton measure out?
- A. volume
- B. periods of one thousand years
- C. temperature starting at absolute zero
- D. electric potential
Show answer
volume
Did you know? The liter is commonly used to measure volume.
25.Which physics concept pushes floating objects upward?
- A. buoyancy
- B. light
- C. pressure
- D. a wheel and axle
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buoyancy
Did you know? Ships float by displacing their weight in water.
26.What is the SI unit of electric current?
- A. pascal
- B. ampere
- C. century
- D. Celsius
Show answer
ampere
Did you know? The SI unit of electric current is the ampere.
27.What is the human body's normal temperature, in Celsius?
- A. About 37 °C
- B. About 40 °C
- C. About 32 °C
- D. About 35 °C
Show answer
About 37 °C
Did you know? It varies slightly through the day.
28.Which space term is the distance light travels in a year?
- A. a meteor
- B. a black hole
- C. an eclipse of the Sun
- D. a light-year
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a light-year
Did you know? A light-year is about 9.5 trillion kilometers.
29.What do chemists count particles in?
- A. periods of ten years
- B. the amount of a chemical substance
- C. periods of the day
- D. temperature starting at absolute zero
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the amount of a chemical substance
Did you know? The mole measures the amount of a chemical substance.
30.Which physics concept bounces light off surfaces?
- A. sound
- B. friction
- C. reflection
- D. a vacuum
Show answer
reflection
Did you know? Mirrors reflect most visible light.
31.Which unit is commonly used to measure the distance light travels in a year?
- A. light-year
- B. newton
- C. tonne
- D. pascal
Show answer
light-year
Did you know? The light-year is a common unit for the distance light travels in a year.
32.What is the SI unit of frequency?
- A. light-year
- B. hertz
- C. decade
- D. milliliter
Show answer
hertz
Did you know? The SI unit of frequency is the hertz.
33.Who was the first human in space?
- A. Neil Armstrong
- B. Yuri Gagarin
- C. Alan Shepard
- D. John Glenn
Show answer
Yuri Gagarin
Did you know? He orbited Earth on April 12, 1961.
34.Which physics concept is mass times velocity?
- A. reflection
- B. momentum
- C. a rainbow's colors
- D. buoyancy
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momentum
Did you know? It is conserved in collisions without outside forces.
35.What is the SI unit of the amount of a chemical substance?
- A. mole
- B. knot
- C. decade
- D. watt
Show answer
mole
Did you know? The SI unit of the amount of a chemical substance is the mole.
36.What does a clock face divide the day into?
- A. mass
- B. periods of the day
- C. the loudness of sound
- D. engine power
Show answer
periods of the day
Did you know? The hour is commonly used to measure periods of the day.
37.Which space telescope launched in 1990?
- A. James Webb
- B. Spitzer
- C. Kepler
- D. Hubble
Show answer
Hubble
Did you know? A mirror flaw was fixed by astronauts in orbit.
38.What is the SI unit of pressure?
- A. pascal
- B. meter
- C. joule
- D. millennium
Show answer
pascal
Did you know? The SI unit of pressure is the pascal.
39.How many chambers does the human heart have?
- A. Four
- B. Six
- C. Two
- D. Three
Show answer
Four
Did you know? Two atria receive blood; two ventricles pump it.
40.Star distances across the Milky Way are counted in what?
- A. periods of ten years
- B. the amount of a chemical substance
- C. very heavy loads
- D. the distance light travels in a year
Show answer
the distance light travels in a year
Did you know? The light-year is commonly used to measure the distance light travels in a year.
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