Are chemical reactions within cells promoted by enzymes or proteins?
Enzymes
Are living things described as organic or inorganic?
Organic
Which is an example of matter: light, steam, or noise?
Steam
How many cells does an amoeba have?
1
What do you call a beam of light so powerful that it can cut through metal?
A laser
What does the formula CO2 represent?
Carbon Dioxide
Who discovered the basic laws of genetics: Gregor Mendel or Galileo?
Gregor Mendel
When 2 atoms combine, what do they form?
A molecule
Do most of your muscles work individually or in pairs?
In pairs.
What bar or shaft helps a wheel to turn?
An axle.
What color is sulfur?
Yellow
What is your body's largest organ?
The skin
Name the force that slows down an object or stops it motion.
Friction.
You can catch color blindness from a color-blind person. True or false?
False
Which device controls indoor temperature?
A thermostat
What natural product is most often used in manufacturing plastics?
Petroleum
What does a crab use to find food in total darkness?
It's antennae
Who discovered the law of gravity?
Isaac newton.
Which has 3 pairs of legs: Mosquito, spider, or a crab?
A mosquito
Were microscopes invented in the 1600s, 1800s, or 1900s?
The 1600s.
What does the formula NaCl stand for?
Sodium Chloride.
Bunnies are born blind. True or false?
True
What kind of chip makes computers work?
A microchip.
What is TB?
and...
When a person has TB, what part of the body is affected?
Tuberculosis
and...
The lungs
Must a circuit be open or closed for an electric current to flow through it?
Closed.