Chemistry
Biology
Physical Science
Biology 2
Physical Science 2
100

Are chemical reactions within cells promoted by enzymes or proteins?

Enzymes

100

Are living things described as organic or inorganic?

Organic

100

Which is an example of matter: light, steam, or noise?

Steam

100

How many cells does an amoeba have?

1

100

What do you call a beam of light so powerful that it can cut through metal?

A laser

200

What does the formula CO2 represent?

Carbon Dioxide

200

Who discovered the basic laws of genetics: Gregor Mendel or Galileo?

Gregor Mendel

200

When 2 atoms combine, what do they form?

A molecule

200

Do most of your muscles work individually or in pairs?

In pairs.

200

What bar or shaft helps a wheel to turn?

An axle.

300

What color is sulfur?

Yellow

300

What is your body's largest organ?

The skin

300

Name the force that slows down an object or stops it motion.

Friction.

300

You can catch color blindness from a color-blind person. True or false?

False

300

Which device controls indoor temperature?

A thermostat

400

What natural product is most often used in manufacturing plastics?

Petroleum

400

What does a crab use to find food in total darkness?

It's antennae

400

Who discovered the law of gravity?

Isaac newton.

400

Which has 3 pairs of legs: Mosquito, spider, or a crab?

A mosquito

400

Were microscopes invented in the 1600s, 1800s, or 1900s?

The 1600s.

500

What does the formula NaCl stand for?

Sodium Chloride.

500

Bunnies are born blind. True or false?

True

500

What kind of chip makes computers work?

A microchip.

500

What is TB?

and...

When a person has TB, what part of the body is affected?

Tuberculosis

and...

The lungs

500

Must a circuit be open or closed for an electric current to flow through it?

Closed.