Gr 4 - Final Review

This table shows some sources of heat.
Which source(s) will transfer heat through convection?

• 1 only

• 1 and 2 only

• 3 and 4 only

• 2 and 3 only

Look at the picture below. After a while the soup gets hotter. Which explains why the soup gets hot?

• conduction

• convection

• radiation

• insulation

Yasser has two metal cups and two foam cups. He places one of each type on a metal plate and one of each type on a foam plate. He then fills each cup with very hot water.

Which cup of water will lose heat the fastest?

Yasser has two metal cups and two foam cups. He places one of each type on a metal plate and one of each type on a foam plate. He then fills each cup with very hot water.

Which cup of water will lose heat the SLOWEST?

Rachel tests how quickly different materials change temperature when they are heated. All materials start at 20 °C and are heated at the same time. The table below shows the temperatures of the materials after 10 min.

Which is the best insulator?

• material 1

• material 2

• material 3

• material 4

1- Convection happens only in ​ (a)   , and ​ ​ (b)   States of matter.

2- Heat travels from sun by​ ​ (c)  

3-​ (d)   is the energy of moving particles.

4- ​​ (e)   measures how hot or cold an object.

• liquid
• gas
• radiation
• Heat
• Temperature
• solid

1- Heat moves from one end of a solid to the other by ​​ (a)  

2- ​ (b)   is used in making cooking pots.

3- ​ (c)   transfer heat easily , while ​ (d)   resist transferring heat.

• conduction.
• Metal
• Conductors
• insulators
• Condensation

1- ​ ​ (a)   is the building block of any matter.

2-​ (b)   is the space around the magnet where the force of the magnet acts.

3- - Particles of same charge​ (c)   , while particles with opposite charges​ (d)   each other.

• The atom
• Magnetic field
• repel
• attract
• Conduction

1 - ​ ​ (a)   can cause a tiny shock when you touch the car door.

2- ​ (b)   has several different paths for the charges to follow.

• Electrostatic discharge
• Parallel circuit
• Series circuit

The electric circuit below consists of a battery, a switch, and three light bulbs. What type of circuit is shown in the diagram?

• A. closed circuit

• B. Series circuit

• C. magnetic circuit

• D. parallel circuit