wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

SWU Brains

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

How many time zones are there on Earth?

a)

36

b)

12

c)

10

d)

24

2.

What colorless, pungent gas is often used for preserving biological and anatomical specimens?

a)

Sodium Hydroxide (NaOH)

b)

Formalin (CH2O)

c)

Nitric Acid (HNO3)

d)

Sodium Chloride (NaCl)

3.

The branch of medical science which is concerned with the study of disease in population.

a)

Oncology

b)

Paleontology

c)

Epidemiology

d)

Pathology

4.

Cystitis is the infection of which of the following:

a)

Liver

b)

Pancreas

c)

Urinary Bladder

d)

Lung

5.

At a room temperature, most elements are in which phase?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

6.

The per capita birth rate of a population is known as its:

a)

Mortality

b)

Population Density

c)

Natality

d)

Courting Capacity

7.

The science of weights and measures is called what?

a)

Meteorology

b)

Metrology

c)

Mineralogy

d)

Monophology

8.

What compound is a an essential in the upper atmosphere to protect life on Earth?

a)

Sun

b)

Asteroids

c)

Ozone

d)

Moon

9.

Most commercial nuclear power plants worldwide are cooled by:

a)

Mercury

b)

Water

c)

Sodium

d)

Helium

10.

The earliest experiments on chromosomes theory and inheritance were distinguished by:

a)

Jules Salk

b)

Robert Opphiner

c)

Charles Starnark

d)

Gregor Mendel

11.

The only species of cat that lives and hunts in group is:

a)

Lion

b)

Lynx

c)

Jaguar

d)

Cougar

12.

A type of plastic that is biodegradable, The ingredient that makes it biodegradable is:

a)

Vegetable Oil

b)

Cornstarch

c)

Petroleum

d)

Leather

13.

Which of the following is primary compound of Calcium Carbonate?

a)

Fish Scales

b)

Oyster Shells

c)

Shark Teeth

d)

Whale bones

14.

Yeast, use in baking bread is a:

a)

Fungus

b)

Bacteria

c)

Seed

d)

Plant

15.

At what point are the Celcius and Fahrenheit scales equal?

a)

-60°

b)

-50°

c)

-40°

d)

0

16.

N2O, a.k.a. "laughing gas", has been a matter of concern to environmentalist nearly because:

a)

It is thought to cause cancer at low concentrations

b)

It produces photochemical source

c)

It is a greenhouse gas

d)

None of the above

17.

In which parts of the dog's body that has sweat glands?

a)

Nose and Paws

b)

Feet and Ears

c)

Nose and Mouth

d)

Ears and Eyes

18.

What do you produce by adding Lactobacilus Bulgaricus to milk?

a)

Glucose

b)

Sucrose

c)

Yogurt

d)

Infants Formula Milk

19.

Plants get their nitrogen from:

a)

Air

b)

Rain

c)

Soil

d)

Bedrock

20.

A device used to measure the amount of moisture in the atmosphere is called as:

a)

Hygrometer

b)

Hydrometer

c)

Barometer

d)

Anometer

21.

What element, whose symbol derived from the Latin for "liquid silver", has been found in Eqyptian tribes from 1500 B.C.?

a)

Copper

b)

Mercury

c)

Silver

d)

Gold

22.

The study of phenomenon at any low temperature is called:

a)

Heat Transfer

b)

Crystellography

c)

Morphology

d)

Cryogenics

23.

What radioactive element is timely used in treating hyperthyroidism?

a)

Iron-59

b)

Cobalt-60

c)

Gold-198

d)

Iodine-131

24.

Electric power is less expensive at night because:

a)

More hydroelectric generation is brought on line at night

b)

There is less demand at night

c)

Pollution control is less stringent at night

d)

Power plants are more efficient at night

25.

What vitamin complex includes Thiamine, Niacin, and Riboflavin?

a)

Vitamin A

b)

Vitamin B

c)

Zinc

d)

Vitamin C