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Midterm Review: Part 1

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

The central region of an atom where its neutrons and protons are is its _______.

a)

Nucleus

b)

Electron cloud

2.
Particles in an atom that are neutral and have no charge are ______. 
a)
Negatrons 
b)
Electrons 
c)
Neutrons 
d)
Protons 
3.
If a new substance is formed would this be a physical or chemical change?
a)
Physical
b)
Chemical
4.
Is sour milk a physical or chemical change?
a)
Physical
b)
Chemical
5.

A metal bike rusting is an example of a _____ change

a)

Physical

b)

Chemical

6.

How many neutrons does lithium have?

a)

3

b)

4

c)

7

d)

2

7.

What is the measurement on the triple-beam balance shown?

a)

335g

b)

35g

c)

3.5g

d)

305g

8.
What is the mass on this triple beam?
a)
200g
b)
44g
c)
244g
d)
4g
9.

Which TWO astronomers believed in the GEOCENTRIC Model?

a)

Aristotle

b)

Copernicus

c)

Galileo

d)

Ptolemy

10.

Which model is shown in the photo below?

a)

Heliocentric

b)

Geocentric

11.

What causes night and day on earth?

a)

Earth's rotation

b)

Earth's tilt

c)

Earth's revolution

12.

What is the main reason for the seasons?

a)

Earth's rotation

b)

Earth's tilt

c)

Earth's revolution

13.

Neap tides occur when the Earth, Sun and Moon are

a)

At a 90 degree angle

b)

In a straight line

14.

Kyle wants to see if the amount of caffeine he drinks affects the time he goes to sleep. What is the I.V.?

a)

Bed time

b)

Amount of caffeine

c)

Kyle

15.

NASA wants to see if changing the amount of thrusters on a rocket will affect the distance traveled. What is the I.V.?

a)

Amount of thrusters

b)

Distance traveled

c)

NASA

16.

The law of conservation of energy states that when one form of energy is converted into another form, __________

a)

Energy is created

b)

Energy is destroyed

c)

Energy is neither created nor destroyed

17.

Energy of motion is known as —

a)

Kinetic energy

b)

Radiant energy

c)

Elastic energy

d)

Potential energy

18.

Hot water rises and cold water sinks. Is this:

a)

Convection

b)

Conduction

c)

Radiation

19.

A spoon in a cup of hot soup becomes warmer

a)

Convection

b)

Conduction

c)

Radiation

20.

Grilling Hamburgers OVER a charcoal flame.

a)

Convection

b)

Conduction

c)

Radiation