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science and some sanwich

Total questions: 24

Worksheet time: 37mins

Name
Class
Date
1.

What is Newton's first law of motion?

a)

Every action has an equal opposite reaction

b)

An object in motion stays in motion unless acted upon by an unbalanced force

c)

The force acting on an object is equal to the mass of an object times its acceleration

d)

Sandwich

2.

What is the atomic number of oxygen?

a)

5

b)

Sandwich

c)

8

d)

17

3.

What is the molecular structure of table salt?

a)

Sandwich

b)

Molecular who?

c)

H2O

d)

NaCl

4.

Biology is the study of what?

a)

Life

b)

Sandwich

c)

The human brain

d)

Weather

5.

Energy=____to the speed of light squared

a)

Gravity

b)

Mass

c)

Sandwich

d)

Lightning

6.

What female Nobel Prize winner conducted research on radioactivity?

a)

Sandwich

b)

Tierra Guinn

c)

Marie Curie

d)

Isaac Newton

7.

Who was Dimitri Ivanovich Mendeleev?

a)

Periodic table inventor

b)

Sandwich

c)

A singer

d)

An Astronomer

8.

What is the formula for force?

a)

Net force ÷\div Mass

b)

Sandwich

c)

Mass ×\times Acceleration

d)

Mass ×\times Velocity

9.

What was the first animal sent into space?

a)

Alfred the monkey

b)

Laika the dog

c)

Ursula the fish

d)

Sandwich

10.

A low voice has...

a)

Short wavelengths

b)

No wavelengths

c)

Sandwich

d)

Long wavelengths

11.

How long does it take for light to get from the Sun to the Earth?

a)

150 million years

b)

10 seconds

c)

8 minutes

d)

Sandwich

12.

What is the melting point of gallium?

a)

Sandwich

b)

85.5 Degrees F

c)

577.3 Degrees F

d)

100 Degrees C

13.

A black hole is formed when...

a)

After a supernova occurs

b)

When a white dwarf turns into a black dwarf

c)

When a black dwarf turns into a black dwarf

d)

Sandwich

14.

What happens when you put something in between two pieces of bread?

a)

Isaac Newton

b)

A supernova

c)

The periotic table

d)

Sandwich

15.
What percent of the Earth’s surface is covered by Oceans?
a)
75%
b)
86%
c)
70%
d)
100%
16.
How much of the ocean is pure water?
a)
79%
b)
100%
c)
96%
d)
4%
17.
We have ________ main oceans?
a)
7
b)
4
c)
5
d)
6
18.
The four main oceans are: Pacific Ocean, Arctic Ocean, Indian Ocean, and the __________ Ocean.
a)
Atlantic
b)
Southern
c)
Mediterranean 
d)
European
19.
A measure of dissolved solids in sea water is
a)
desalination
b)
salinity
c)
carbonation
d)
pollution
20.
Which of the following is NOT where salts in the ocean come from
a)
Volcanos
b)
Wave Action
c)
Erosion
d)
Earthquakes
21.
What 2 factor affect density of the ocean?
a)
Salinity and Marine Animals
b)
Temperature and Wave height
c)
Salinity and Temperature
d)
None of these
22.
Cold water is _______ dense than warm water
a)
More
b)
Less
c)
equally
23.
Which gas dissolves most easily in ocean water?
a)
H2O
b)
CO2
c)
NaCl
24.
What percent of the Earth’s surface is covered by Oceans?
a)
75%
b)
86%
c)
70%
d)
100%

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