Winter break home work-Grade 2-EVS

Which gas creates green house effect in the atmosphere?

• Carbon dioxide

• Ozone

• Oxygen

• None of these

Which gases makes the bulk of atmosphere?

• Nitrogen

• Oxygen

• Both A & B

• None of these

Which of the following gases protect us from the UV rays?

• Carbon-dioxide

• Nitrogen

• Ozone

The instrument used to measure temperature is called

• Barometer

• Thermometer

• Hygrometer

• Anemometer

How much oxygen is in the air? (%)

• 25%
• 21%
• 68%
• 50%

Does air have a weight?

• Yes, it does
• No, it doesn`t

Tags

NGSS.MS-PS2-4

Does fire need oxygen?

• Yes, it does
• No, it doesn`t

The name of the gaseous envelope around the Earth

• atmosphere
• hydrosphere
• biosphere

The main gas for breathe is

• nitrogen
• oxygen
• argon
• hydrogen

Which of these do plants need in order to make food?

• argon
• carbon dioxide
• nitrogen
• oxygen

Tags

NGSS.MS-LS1-6