General Science Questions for Class 4

The matter that sound travels through is called the?

1. Frequency
2. Medium
3. Amplitude
4. Vibration

Sounds travel faster through solids than:

1. Liquid
2. Gases
3. Solids
4. Both A and B

Noise intensity is measured in:

1. Decibels (dB)
2. Hertz (Hz)
3. Watts (W)
4. Meters (m)

Material from which current passes through are called?

1. Insulators
2. Conductors
3. Semiconductors
4. None

A material through which heat energy can flow easily is called?

1. Thermal Conductor
2. Thermal Insulator
3. Both A and B
4. None

The materials through which electricity cannot pass are called?

1. Conductors
2. Insulators
3. Semiconductors
4. None

When the wire is connected and bulb is lit, this is called?

1. Open Circuit
2. Close Circuit
3. Short Circuit
4. Series Circuit

When the wire is disconnected and the bulb is off, this is called?

1. Open Circuit
2. Close Circuit
3. Short Circuit
4. Series Circuit

A/an ___ provides a complete path for the current to flow through:

1. Open Circuit
2. Closed Circuit
3. Series Circuit
4. Short Circuit

A/an __ provides an incomplete path for the current to flow through.

1. Open Circuit
2. Closed Circuit
3. Series Circuit
4. Short Circuit