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Worksheets

BATTLE OF THE BRAINS!

Total questions: 27

Worksheet time: 17mins

Name
Class
Date
1.

What is the red tide?

a)

tornadoes

b)

algae blooms

c)

hurricanes

d)

tsunami

2.

What gas does the sun use to burn?

a)

hydrogen

b)

helium

c)

carbon monoxide

d)

methane gas

3.

At what part of earth is the crust the thinnest?

a)

Lake Baikal

b)

Pizza Hut

c)

bottom of the ocean

d)

at the great lakes

4.

How can you tell how old a tree is?

a)

the tree's bark

b)

the tree's leaves

c)

the tree's seeds

d)

the tree's rings

5.

12 x 11 =

a)

81

b)

128

c)

132

d)

137

6.

What is black sand called?

a)

quartz

b)

silicon

c)

magnetite

d)

feldspar

7.

What is the tallest tree on earth?

a)

White pine

b)

Sycamore

c)

Red oak

d)

Redwood

8.

Which of the following can be used to make a battery?

a)

copper, iron, water

b)

copper, zinc, salt water

c)

copper, vinegar

d)

tin foil, copper, iron

9.

What does WWW on the internet stand for?

a)

Whenever Website Web

b)

Wild Widespread Website

c)

World Wide Web

10.

Riddle: what is broken once you say it's name?

a)

silence

b)

broken

c)

dumb

d)

strange

11.

What color is at the bottom of the rainbow?

a)

red

b)

green

c)

violet

d)

blue

12.

3/4 x 3/8 =

a)

9/32

b)

5/27

c)

4/5

d)

8/72

13.

What fills earth's atmosphere?

a)

hydrogen

b)

carbon dioxide

c)

oxygen

d)

methane gas

e)

helium

14.

Which of the following metals turns fire green?

a)

iron

b)

copper

c)

zinc

d)

steel

15.

What causes a lunar eclipse to happen?

a)

moon moves in front of the sun

b)

earth moves behind the moon

c)

earth moves in front of the moon

16.

Which of the following is NOT a conductor of electricity?

a)

copper

b)

tin foil

c)

rubber

d)

iron

17.

Which of the following numbers is pi?

a)

3.57

b)

3.14

c)

3.67

d)

3.86

18.

What is the nineteenth letter in the alphabet?

a)

Q

b)

S

c)

R

d)

U

19.

How many eggs does a ocean sunfish typically lay?

a)

100 million

b)

300 million

c)

700 thousand

d)

400 million

20.

What is a fart mostly made of?

a)

oxygen

b)

carbon monoxide

c)

helium

d)

nitrogen

21.

12/14 x 11/8 =

a)

132/96

b)

132/112

c)

124/165

d)

396/336

e)

465/297

22.

Mars has a atmosphere made of

a)

hydrogen

b)

methane

c)

carbon dioxide

d)

oxygen

23.

How many seconds are in one day?

a)

73,902

b)

86,400

c)

103,780

d)

67,003

e)

94,089

24.

True or False:

Pluto cuts through the path that Neptune follows to orbit the sun.

a)

True

b)

False

25.

Earth's core is made of

a)

Nickel and Quartz

b)

Granite and Silicon

c)

Diamond and Feldspar

d)

Iron and Nickel

26.

Water is made of

a)

Hydrogen and Oxygen

b)

Carbon monoxide and Helium

c)

Methane and Carbon dioxide

27.

Guess the fast food place by the emoji

a)

Churches drumsticks

b)

Bone ends