WorksheetsClass 7 science
Total questions: 15
Worksheet time: 8mins
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
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
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
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
Dry cleaning" of clothes means ___________
putting out the clothes to dry in the sun
using a liquid other than water to clean the clothes
using water vapour to clean the clothes
using warm air to clean the clothes
What are the different types of motion that you would observe in a pendulum clock?
rectilinear motion and circular motion
circular motion and oscillatory motion
oscillatory motion and rectilinear motion
rectilinear, oscillatory and circular motion
Morning dew is an example of which portion of the water cycle?
transpiration
condensation
evaporation
precipitation
The food or chemical energy source made by plants through photosynthesis is:
water
glucose
sunlight
carbon dioxide
