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General Science

Total questions: 25

Worksheet time: 4mins

Name
Class
Date
1.

What's it called when liquid rock (magma, lava) erupts through the Earth's crust?

a)

earthquake

b)

volcano

c)

hurricane

d)

tsunami

2.

What is the hardest substance on Earth?

a)

gold

b)

diamond

c)

iron

d)

platinum

3.

If a small part of an asteriod enters the Earth’s atmosphere and lands on the Earth’s surface, then it is called __________?

a)

Meteor

b)

Meteoroid

c)

Meteorite

d)

Comet

4.
What do atoms contain?
a)
elements, neutrons, and bonds
b)
protons, neutrons, and electrons
c)
protons, molecules, and elements
d)
electrons, protons, and bonds
5.
Earth would not have seasons if—
a)
it did not rotate
b)
it was slightly closer to the sun
c)
it was no tilted on its axis
d)
it had more than one moon
6.
Which of these is the best measure of how much space an object or substance takes up?
a)
mass
b)
length
c)
volume
d)
density
7.
Conductor or insulator?  Metal wire
a)
Conductor
b)
Insulator
8.
Conductor or insulator?  Plastic toy car
a)
Conductor
b)
Insulator
9.

Matter changing state from a gas to a liquid is called what?

a)

evaporation

b)

condensation

c)

boiling

d)

freezing

10.

Which planet in our solar system has the highest recorded temperature?

a)

Mercury

b)

Venus

c)

Jupiter

d)

Saturn

11.

Which scientist is best known for the formula E=MC2

a)

Albert Einstein

b)

Issac Newton

c)

Thomas Edison

d)

Galileo

12.

How many meters are there in 3 kilometers?

a)

300

b)

3000

c)

1000

d)

10000

13.

Which element makes up the majority of Earth's atmosphere?

a)

Oxygen

b)

Nitrogen

c)

Hydrogen

d)

Carbon

14.

How many bones are found in the human body?

a)

200

b)

196

c)

206

d)

340

15.

How many megabytes in a gigabyte?

a)

1000

b)

32

c)

1024

16.
true or false? plasma is a state of matter
a)
never
b)
false
c)
true
d)
sometimes
17.
The role an organism plays in an ecosystem is called its
a)
niche
b)
heterotroph
c)
consumer
d)
decomposer
18.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
19.
When plants convert the sun's energy into food, which type of energy is it?
a)
kinetic
b)
chemical
c)
thermal
d)
radiant
20.

What is the biggest planet in our solar system?

a)

Venus

b)

The Earth

c)

Jupiter

d)

Mars

21.

The smallest particle of an element that can exist is called

a)

Nucleus

b)

Atom

c)

Cell

d)

Molecule

22.

What kind of mixture is the sea water?

a)

Heterogenous mixture

b)

Homogenous mixture

23.
A food web is a more realistic model of the flow of energy through an ecosystem than a food chain because - 
a)
most organisms depend on more than one species for food
b)
each organism in a food chain represents multiple feedings
c)
most organisms depend on just one species for food
d)
each organism in a food web represents a single feeding
24.
Liquids have - 
a)
no definite shape or volume
b)
a fixed or definite shape but no definite volume
c)
a fixed/definite shape and volume
d)
a definite/fixed volume but no definite shape
25.

The science of plants is called

a)

botany

b)

ecology

c)

physics

d)

plantology

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