Sacientific Concepts Test 4a2

1. A science teacher asked her students to make a chart identifying the physical properties of each object below:Which of the following would be best to use for this char of physical properties?

A- age, color, length, mass ion 1

B- hardness, mass, name, odor 2

C- color, hardness, mass, length

2. The characteristic of an object that has mass and takes up space is:

A- volume

B- mass

C- weight

3. One of the illustrations below is used to measure the amount of matter that makes up an object is:

Option 1

Option 2

Option 3

4. The parts of an electromagnet are:

A- battery, battery holder, nail, wire

B- battery, battery holder, switch, wire

C- battery, battery holder, nail, bulb

5. The two phases of matter in the next illustration are:

A- solid and liquid

B-solid and gas

C- liquid and gas

6. What is electricity transformed into when you turn on a TV?

A- light, motion, and sound

B- light, sound, and heat

C- light, heat, and motion

7. Property that compares an object's mass to its volume is called:

A-matter

B-property

C- density

8. Which of the following colors represents the greatest density in the illustration below:

A- red

B-green

C-blue

9. One of the following is a property of solid particles:

A-tightly packed and held in place

B-far apart

C-close to each other but they are not held tightly in place

10. Which of the following will be attracted to the magnet:

Eraser

Paper clips

Pencil

11. The evaporation process in water cycle chart is number:

A

B

C

12. The illustration that represents the liquid state of matter is:

Option 1

Option 2

Option 3

13. "Boiling egg" is a process that changes the egg from liquid to solid. This change is :

A-melting

B- chemical change

C- physical change

14. An electric charge in motion is called:

A- electric current

B- insulator

C-conductor

15. Which one of the following circuits shows a complete circuit?

Option 1

Option 2

Option 3

16. Look carefully at the illustration below. What form of energy is created when a magnet moves near a wire?

A-kinetic energy

B-light energy

C-electrical energy

17. In the illustration below the number that points to the resistor is:

A- 1

B-2

C- 3

18. Series circuit is a type of circuits that:

A- the current moves through it when there is a broken loop

B- has two or more paths through which electric charges may flow

C- electric charge can flow only in one circular path

19. All magnets have two:

A- sides

B- names

C- poles

20. Which letter of the following magnets represents "repel":

A

B

C

21. In the next illustration, if lamp 1 is removed from its holder, what will happen to lamp 2 :

A- it will stay working

B- it will not work

C-it will get dimmer

22. The best symbol below that represents the resistor is:

Option 1

Option 2

Option 3

23. Ahmad needs to buy a light bulb which saves energy for his room. He found two types of them, the incandescent light bulb and the fluorescent light bulb.

A- fluorescent

B- incandescent

C- electronic

24. The circuit below is one type of circuits that are used at homes and schools. is :

A- new circuit

B- series circuit

C- parallel circuit