Science Quiz For Grade 7
- Question of
Photosynthesis is a process converting _______ energy to ______.
- Chemical; Mechanical
- Thermal; Chemical
- Radiant; Chemical
- Chemical; Thermal
- Question of
Radiant energy used in photosynthesis is captured by the
- Leaves
- Chlorophyll
- Roots
- Cytoplasm
- Question of
Plants utilize ____________ given off by humans to assist in making glucose.
- Oxygen
- Water
- Carbon Dioxide
- Nitrogen
- Question of
An organism that lives by breaking apart dead organic matter into simpler parts is…
- Scavenger
- Consumer
- Decomposer
- Carnivore
- Question of
Which of this energy roles is always located at the bottom of an energy pyramid?
- Producer
- Second-Level Carnivores
- Herbivores.
- First-Level Consumers.
- Question of
In the energy pyramid here, which organisms have the most energy available?
- Producers
- Carnivores
- Herbivores
- Top Predator
- Question of
The owl receives energy from which organisms?
- Grasshopper and Mouse
- Mouse and Rabbit
- Rabbit and Butterfly
- Butterfly and Frog
- Question of
The main source of energy for all life comes from ____.
- The Earth
- The Moon
- The Sun
- The Food We Eat/make
- Question of
Which of the following is the correct equation for PHOTOSYNTHESIS?
- CO2 + light + H2O –> O2 + Sugar
- CO2 + sugar + H2O –> O2 + light
- O2 + light + H2O –> CO2 + Sugar
- CO2 + O2 + H2O –> Light+ Sugar
- Question of
The glucose produced in the leaf can be described as –
- Potential Chemical Energy
- Kinetic Nuclear Energy
- Potential Nuclear Energy
- Kinetic Chemical Energy
- Question of
Photosynthesis is a process converting _______ energy to ______ energy.
- Radiant to Chemical
- Thermal to Radiant
- Mechanical to Chemical
- Chemical to Mechanical
- Question of
Plants take in radiant energy from the sun and convert it to ______ which is food for the plant.
- Hydrogen
- Water
- Carbon Dioxide
- Glucose
- Question of
Sheila eats a sandwich and then rides her skateboard. Which type of energy transformation is occurring?
- Chemical to Thermal to Mechanical
- Mechanical to Thermal to Chemical
- Radiant to Chemical to Thermal
- None Of The Above
- Question of
When looking at energy pyramids, only _____ of the energy is passed from one tropic level to the next. This is because organisms uses 90% of the energy for mechanical and thermal energy.
- 10%
- 50%
- 1%
- None Of These
- Question of
What do the arrows in a food chain or food web indicate?
- The Loss Of Energy in the Chain or Web.
- The Importance Of Organisms In the Chain or Web.
- The Flow Of Energy in The Chain Or Web.
- None Of The Above
- Question of
In the energy pyramid, each level receives 100% of the energy from the level below it.
- True
- False
- Question of
Acids Taste Sour.
- True
- False
- Question of
Water
- C
- O
- H2O
- CO2
- C6H12O6
- Question of
Sugar (glucose)
- C
- O
- H2O
- CO2
- C6H12O6
- Question of
The process by which plants capture light energy from the sun and convert it into sugar
- Chlorophyll
- Evergreen
- Photosynthesis
- Question of
Carbon Formula
- C
- O
- H2O
- CO2
- H
- Question of
Hydrogen
- C
- O
- CO2
- H2O
- C6H12O6
- H
- H
- Question of
Which one of the following records the distance traveled by a vehicle?
- Manometer
- Motometer
- Speedometer
- Odometer
- Question of
Which of the following instruments is used to check the temperature:
- Thermometer
- Voltmeter
- Barometer
- Speedometer
- Question of
Which of these diseases is not caused by improper disposal of sewage?
- Cholera
- Heart Attack
- Jaundice
- Typhoid
- Question of
A merry-go-round is an example of what kind of motion?
- Straight
- Circulatory
- Vertical
- Rotational
- Question of
Which mirror is used for side view in vehicles?
- Convex
- Concave
- Plain
- None of these
- Question of
Based on which of the following changes is an indicator useful?
- Temperature
- Physical state
- Color
- Pressure
- Question of
Which mirror shows a lateral inversion of light?
- Plane mirror
- Convex mirror
- Concave mirror
- None of the above
- Question of
What are the products of anaerobic respiration in yeast?
- Alcohol and Carbon dioxide
- Carbon dioxide and Glucose
- Oxygen and Alcohol
- Glucose and Oxygen