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Baseline Test grade 7

Total questions: 35

Worksheet time: 3hrs 50mins

Name
Class
Date
1.

Which factor does the investigator change during an investigation?

a)

independent variable

b)

constant

c)

dependent variable

d)

variable

2.

the investigation and exploration of natural

events and of the new information that results from those

investigations is

a)

Scientific investigation

b)

Science

c)

Exploration

d)

Scientific inquiry

3.

the distance between your initial, or starting, position and your final position. it is represented with a straight arrow extending from the starting point to the ending point.

a)

Speed

b)

Acceleration

c)

Distance

d)

Displacement

4.

A skateboarder moving at 2 m/s starts skating down a ramp. As the skateboarder heads down the ramp, he accelerates to a speed of 6 m/s in 4 seconds. What is the skateboarder’s acceleration?

a)

The acceleration is 1 m/s2

b)

The acceleration is 1 m/s .

c)

The acceleration is 2 m/s2 .

d)

The acceleration is 2 m/s .

5.

Which is a non-contact force?

a)

Friction force.

b)

gravity force

c)

pushing force

d)

mechanical force

6.

Which car had a negative acceleration?

a)

Car A

b)

Car B

c)

Car C

d)

Car D

7.

Which term describes the motion in the time

period from 5 to 8 seconds?

a)

at rest

b)

constant speed

c)

speeding up

d)

slowing down

8.

The body resists change in speed due to.......

a)

Action and reaction

b)

The body speed is changing

c)

Force Pairs

d)

Inertia

9.

What is the net force on the object?

a)

35 N to the right

b)

-5 N to the left

c)

5 N to the right

d)

-35 N to the UP

10.

The difference between element and compound is

a)

number of atoms

b)

type of atoms

c)

the bond between atoms

d)

The outer shape of matter

11.

use the digram to identify of matter state.....

a)

Solid

b)

Gas

c)

Liquid

d)

Mixture

12.

The changing in fruit odor is:-

a)

Physical change

b)

Chemical change

13.

Conservation of Mass is

a)

mass of all substances are equal during the physical change

b)

mass of reactant is equal the equal of results mass in physical change

c)

mass of reactant is more the results in physical change

14.

Which chemical equation is unbalanced?

a)

2KClO3 → 2KCl + 3O3

b)

CH4 + 2O2 → CO2 + 2H2 O

c)

Fe2 O3 + CO2 → 2Fe + 2CO2

d)

H2 CO3 → H2 O + CO2

15.
Identify the equipment shown here:
a)
graduated cylinder
b)
Erlenmeyer flask
c)
beaker
d)
volumetric flask
16.
Identify the equipment shown here:
a)
beakers
b)
flasks
c)
decanters
d)
graduated cylinders
17.
What is a hypothesis?
a)
A hypothesis is the right answer to an experiment.
b)
A hypothesis is the wrong answer to an experiment.
c)
A hypothesis is an educated guess.
d)
I don't know.
18.
What step does the scientific method begin with?
a)
hypothesis
b)
observation/question
c)
procedures
d)
conclusion
19.

when the atom lose electron, it will be

a)

atoms with a positive or negative charge

b)

atoms with no charge

c)

atoms with ONLY a positive charge

d)

atoms with ONLY a negative charge

20.
What is the atomic symbol for sodium?
a)
Na
b)
So
c)
NaCl
d)
S
21.
An atom's mass number equals the number of...
a)
protons plus the number of electrons
b)
protons plus the number of neutrons
c)
protons
d)
neutrons
22.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
23.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
24.
What are the 3 particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
25.
Each column in the periodic table is called a 
a)
period
b)
group
c)
cluster
d)
unit
26.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
27.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
28.
Which is an alkali metal?
a)
Magnesium
b)
Iron
c)
Sodium
d)
Europium
29.
Elements in a ..................have similar chemical properties.  
a)
period
b)
group
c)
row
30.
The horizontal rows in the Periodic Table are called 
a)
groups
b)
families
c)
periods
d)
atomic numbers
31.
Sodium (Na) is found in period 
a)
3
b)
2
c)
4
d)
1
32.

The figure below shows which of the following?

a)

two different elements

b)

two different ions

c)

two different isotopes

d)

two different protons

33.
When all the forces on an object are equal and opposite, & the net force is zero, that's...
a)
balanced forces
b)
unbalanced forces
c)
terminal velocity
d)
reaction forces
34.

What change would make an atom represented by this diagram have the same electron arrangement as a noble gas?

a)

gaining two electrons

b)

gaining four electrons

c)

losing four electrons

d)

losing two electrons

35.

Which statement describes the thermal

energy of an object?

a)

kinetic energy of particles + potential

energy of particles

b)

kinetic energy of particles ÷ number of

particles

c)

potential energy of particles ÷ number of

particles

d)

kinetic energy of particles ÷ (kinetic

energy of particles + potential energy

of particles)

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