Class 7 science

What can be obtained from an ore?

• water and oil

• minerals

• fossils

• sand

The following pictures show the particles of a substance in different states. All of the pictures show the same substance. Which is most likely a solid?

• 
• 
• 
• 

What form of energy cooks food in a solar cooker?

• chemical energy

• electrical energy

• light energy

• mechanical energy

What is the atomic number of oxygen?

• 5

• Sandwich

• 8

• 17

Tags

NGSS.MS-PS1-1

What was the first animal sent into space?

• Alfred the monkey

• Laika the dog

• Ursula the fish

• Sandwich

How long does it take for light to get from the Sun to the Earth?

• 150 million years

• 10 seconds

• 8 minutes

• Sandwich

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-3

Which particle is the most porous and allows for the most water to travel between them?

• silt

• sand

• clay

• loam

This term indicates the relative content of particles of various sizes, such as sand, silt and clay in the soil.

• texture

• type

• pH

• nutrient content

Tags

NGSS.MS-LS2-1

The leaves of a plant gets orange and yellow from the inside out due to a lack of what element?

• Phosphorus

• Potassium

• Nitrogen

• Nitrogen and Phosphorus

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What measurement are we finding when we use a graduated cylinder?

• mass
• volume
• length
• weight 

Tags

NGSS.5-PS1-3