Quiz about 6th Grade Sci Diagnostic Review #2

Question 1

Students pulled the same mass up an inclined plane that was 20 cm, 30 cm, and 40 cm long. Each time, they used a spring scale to measure the force needed to pull the mass up the inclined plane. What did they conclude?

Accepted Answer

The least amount of force was needed on the 40 cm inclined plane.

Answer

Less force was needed on the 20 cm plane

Answer

More force was needed on the 40 cm inclined plane.

Answer

The least amount of force was needed on the 30 cm inclined plane.

Question 2

Which inclined plane requires the most effort to push the ball to the top?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 3

Which of the following inclined planes would require the least amount of effort to lift a box?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

They all require the same amount of effort.

Question 4

What is a disadvantage of using an inclined plane to lift a heavy object?

Accepted Answer

The object must be moved a greater distance.

Answer

It takes less effort to move the object.

Answer

Many objects are difficult to lift straight up.

Answer

Heavy object usually take up more space.

Question 5

At which point does the ball has the greatest gravitational potential energy (GPE)?

Accepted Answer

A

Answer

G

Answer

D

Answer

C

Answer

G

Question 6

Which picture is NOT an example of Chemical PE?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 7

What is kinetic energy?

Accepted Answer

energy of motion

Answer

energy of work

Answer

energy of gravity

Answer

energy of power

Question 8

When a pendulum swings, at which point is kinetic energy highest?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 9

The Theory of the Conservation of Energy states -

Accepted Answer

Energy can never be created nor destroyed. It can only change its form from one type to another.

Answer

Energy can be created, just not destroyed. It changes its form from one type to another.

Answer

The total energy in our Universe changes, as different forms of energies can be transformed from each other under certain circumstances.

Answer

Energy transformations do not passively occur in our lives, rather we actively make use of energies and transform energies.

Question 10

What kind of energy is represented in the picture?

Accepted Answer

Chemical

Answer

Thermal

Answer

Sound

Answer

Nuclear

Question 11

What is the energy transformation in the picture

Accepted Answer

Electrical to mechanical

Answer

Electrical to thermal

Answer

Dads home 2

Answer

Mechanical to electrical

Question 12

If a material can easily be drawn into the shape of a wire, it is

Accepted Answer

Ductile

Answer

Magnetic

Answer

Malleable

Answer

Reactive

Question 13

Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon?

Accepted Answer

Metalloid

Answer

Metal

Answer

Nonmetal

Answer

Pretty

Question 14

Question 14.

Accepted Answer

Metal

Answer

Nonmetal

Answer

Metalloid

Question 15

Question 15.

Accepted Answer

Metalloid

Answer

Metal

Answer

Nonmetal

Question 16

Question 16.

Accepted Answer

Nonmetal

Answer

Metal

Answer

Metalloid

Question 17

Which of the following could be a symbol on he periodic table of elements?

Accepted Answer

Jz

Answer

JZ

Answer

jz

Answer

JZa

Question 18

Which of the following is a compound?

Accepted Answer

CO

Answer

Co

Answer

He

Answer

H

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