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Science Knowledge Test

Total questions: 23

Worksheet time: 2hrs 55mins

Name
Class
Date
1.

The Earth's Energy Budget includes energy from the sun that is

a)

Absorbed by Earth.

b)

Reflected from Earth.

c)

Absorbed and reflected by Earth.

d)

none of the above.

2.

When greenhouse gases increase and build up in our atmosphere,

a)

They trap more heat and global temperatures rise.

b)

They trap more heat and global temperatures decrease.

c)

They trap less heat and global temperatures rise.

d)

They trap less heat and global temperatures decrease.

3.

Carbon dioxide enters our atmosphere through

a)

The burning of fossil fuels.

b)

Humans and animals exhaling this waste gas.

c)

Both of these processes.

d)

None of these processes.

4.

When solar energy from the sun hits the earth,

a)

It can be reflected by light colored surfaces like ice.

b)

It can be absorbed by light colored surfaces by ice.

c)

It can be reflected by dark colored surfaces like asphalt.

d)

It cannot affect processes that occur on Earth.

5.

Most of the Earth's water is located in

a)

Lakes.

b)

Oceans.

c)

Rivers.

d)

Polar caps.

6.

The energy coming into the Earth from the sun minus the energy being radiated out is known as

a)

The greenhouse effect

b)

Global Warming

c)

Earth's Energy Budget

d)

The electromagnetic spectrum.

7.

The percentage of the Sun's energy is reflected back into space is

a)

100%

b)

About 50%

c)

About 30%

d)

0%

8.

Radiated Means

a)

Visible Light

b)

Ultraviolet radiation.

c)

Gamma radiation

d)

Heat transfered as waves that humans can not see.

9.

If we launch 22 rockets and 11 are lost, what is the percentage of lost rockets?

a)

11%

b)

22%

c)

40%

d)

50%

10.

Working together to achieve a common goal is known as:

a)

Leadership

b)

Teamwork

c)

Opportunity

d)

Sharing

11.

Mars is classified as a terrestial planet. The Martian crust consists mostly of volcanic rock.

a)

True

b)

False

12.

What are the coordinate points (x,y) of the pentagon on the coordinate grid shown on the right? TYPE YOUR ANSWER | ANSWER KEY: 1. (-2,-5) 2. (-5,-2) 3.  (-3, 2) 4. None of the above

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13.

Drag is:

a)

A force that resists motion

b)

The opposite of gravity

c)

The opposite of lift

d)

A force discovered by Bernoulli

14.

Planets revolve around the ______, and moons revolve around _______. A planet rotates upon an _______.

a)

earth, sun, line

b)

globe, sun, planets

c)

axis, sun, planet

d)

sun, planets, axis

15.

At roughly 141 million miles away, Mars is the ______ planet away from the sun.

a)

2nd

b)

4th

c)

6th

d)

8th

16.

Planets in our solar system are grouped based on characteristics such as composition. This type of grouping is known as:

a)

Classifing

b)

Modeling

c)

Measuring

d)

Ordering

17.

The planet Mars is located at a distance 1.5 times that of Earth from the sun. How does this increased distance effect the length of a year on Mars.

a)

Longer than that of Earth

b)

Shorter than that of Earth

c)

Same as that of Earth

d)

No observed relationship

18.

The mass of the planet Mars is ten times less than that of Earth. How does this decreased mass effect gravity on Mars?

a)

Less than that of Earth

b)

Greater than that of Earth

c)

Same as that of Earth

d)

No observed relationship

19.

NASA scientists frequently use easily represented quantities to describe those that are larger than we can imagine. If the solar system is represented by a football field with the Sun the size of a dime on the goal line, Mars would be a grain of sand on the three-yard line. This imaginary scale is an example of a:

a)

Model

b)

Hypothesis

c)

Constant

d)

Variable

20.

Which of the following units of metric measurement is incorrect?

a)

Mass; cubic meter

b)

Length; meter

c)

Temperature; degree Celsius

d)

Volume; liter

21.

The variable changed or manipulated during an experiment is known as the:

a)

Dependent Variable

b)

Independent Variable

c)

Constant

d)

Hypothesis

22.

An experimental design consists of an independent variable, a dependent variable, and a carefully selected list of factors that do not vary. These factors that do not vary are known as: KEY WORDS/CHOICES: Constants, repeated trials, data, or materials

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23.

Prior to experimentation, scientists examine known factors and form a _________________ as to the result. KEY WORDS: Hypothesis, conclusion, model, scale

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