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Science Midterm Study Guide

Total questions: 24

Worksheet time: 12mins

Name
Class
Date
1.

Who discovered that atoms can't be seen by the human eye?

a)

Chadwick

b)

Dalton

c)

Archimedes

d)

Rutherford

2.

What is a substance produced when elements combine and whose properties are different from each of the elements in it

a)

mixtures

b)

metalloids

c)

electrons

d)

Compound

3.

What is an uncharged particle located in the nucleus

a)

Protons

b)

neutrons

c)

electrons

d)

all of the above

4.

What equals the total distance traveled divided by the total time taken to travel the distance

a)

speed

b)

Average speed

c)

total distance

d)

velocity

5.

What is the speed of an object at one instant of time

a)

speed

b)

Total speed

c)

Average seed

d)

Instantaneous speed

6.

Characteristics of something that permits its change to something new

a)

Physical property

b)

Physical change

c)

Chemical property

d)

Chemical change

7.

Any characteristics of matter-such as color, shape, and taste- that can be detected by the sense without changing the identity of the matter

a)

Physical property

b)

physical change

c)

Chemical Property

d)

Chemical Change

8.

Any change in the size, form, or state of matter in which the matters identity remains the same

a)

Physical property

b)

Physical change

c)

Chemical property

d)

Chemical change

9.

Any change of material into a new material with different properties

a)

Physical property

b)

Physical change

c)

Chemical property

d)

Chemical change

10.

Above pH7, Bitter

a)

gases

b)

Acid

c)

Base

d)

liquid

11.

Below pH 7, Sour

a)

gas

b)

Acid

c)

Base

d)

pH scale

12.

ranges from 0-14; Tells how sour or bitter

a)

base scale

b)

pH scale

c)

barometer

d)

thermometer

13.

States that when a force is applied to a confined fluid, an increase in

pressure is transmitted equally to all parts of the fluid

a)

dalton

b)

Archimedes

c)

Bernoulli

d)

pascales

14.

equals the change in velocity divided by the time for the change to take place; occurs when an object speeds up, slows down, or turns

a)

terminal velocity

b)

acceleration

c)

speed

d)

average speed

15.

What is a positively charged particle located in the nucleus of an atom and is counted to identify the atomic number?

a)

protons

b)

neutrons

c)

electrons

d)

nucleus

16.

What is an invisible, negatively charged particle located in a cloudlike formation that surrounds the nucleus of an atom?

a)

protons

b)

neutrons

c)

electrons

d)

nucleus

17.

What are two or more atoms of the same element that have different numbers of neutrons in their nuclei?

a)

electron

b)

compound

c)

isotope

d)

mixtures

18.

What is the number of protons in the nucleus of each atom of a given element, and is the top number in the periodic table?

a)

atomic number

b)

atomic length

c)

atomic mass

d)

atomic size

19.

What happens when two or more substances come together but don't combine to make a new substance?

a)

isotopes

b)

compound

c)

mixtures

d)

metalloids

20.

What is an element that has characteristics of both metals and nonmetals and is a solid at room temperature?

a)

compounds

b)

mixtures

c)

metalloids

d)

isotopes

21.

change of matter from a gas to a liquid state

a)

vaporization

b)

evaporation

c)

compound

d)

condensation

22.

how do you make table salt?

a)

protons and neutrons

b)

acids, bases

c)

acids, nuetrons

d)

bases, neutrons

23.

P=F/A

a)

pressure

b)

pascal

c)

density

d)

force

24.

D=M/V

a)

mass

b)

velocity

c)

pascale

d)

density