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WorksheetsForces, Energy & Matter Quiz
Total questions: 25
Worksheet time: 13mins
A force is:
Mass per unit volume
Push or pull
Energy stored in a spring
Weight × height
The SI unit of force is:
Joule
Newton
Watt
Pascal
Density is:
Mass × Volume
Mass per unit volume
Force ÷ area
Weight ÷ height
An object floats in water if:
Its weight is less than 1 kg
Its density is less than water
Its volume is greater than 1 L
It is made of metal
Calculate the density of an object with mass 30 g and volume 10 cm³:
0.3 g/cm³
3 g/cm³
10 g/cm³
300 g/cm³
Elastic potential energy is stored in:
Moving car
Boiling water
Stretched spring
Chemical fuel
Heat transfer through direct contact is:
Conduction
Convection
Radiation
Evaporation
The process by which plants make food using sunlight is called:
Respiration
Photosynthesis
Transpiration
Digestion
Which gas is absorbed by plants during photosynthesis?
Oxygen
Carbon dioxide
Nitrogen
Hydrogen
Which part of a plant absorbs water and minerals?
Stem
Leaves
Roots
Flowers
The basic unit of life is:
Tissue
Organ
Cell
Organ system
Which nutrient is most important for growth and repair?
Carbohydrates
Proteins
Fats
Vitamins
Human respiration releases energy by breaking down:
Proteins
Fats
Glucose
Minerals
Which organelle is called the “powerhouse of the cell”?
Nucleus
Mitochondria
Chloroplast
Cell wall
A chemical reaction produces:
New substances
Same substances
Only energy
Water only
Which is a property of metals?
Brittle
Conduct electricity
Poor conductor of heat
Cannot be hammered into sheets
Which is a property of non-metals?
Malleable
Conduct electricity
Brittle
Shiny
When a metal reacts with acid, it usually produces:
Water and salt
Hydrogen gas and salt
Oxygen and water
Carbon dioxide
Which metal is most reactive?
Copper
Zinc
Potassium
Iron
Acids turn blue litmus paper:
Red
Green
Blue
Yellow
Bases (alkalis) turn red litmus paper:
Red
Blue
Green
Yellow
Which gas is released when a carbonate reacts with an acid?
Oxygen
Carbon dioxide
Hydrogen
Nitrogen
A reactivity series is used to:
Arrange metals by color
Arrange metals by hardness
Arrange metals by reactivity
Measure metal density
Rusting of iron is an example of:
Physical change
Chemical change
Nuclear reaction
Evaporation
Salt is formed when an acid reacts with a:
Metal
Base
Non-metal
Water
