Question 1

What is the process by which plants make their own food using sunlight called?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Digestion

Answer

Transpiration

Question 2

What is the smallest unit of life that can function independently?

Accepted Answer

Cell

Answer

Organism

Answer

Organ

Answer

Tissue

Question 3

What is the main source of energy for the Earth?

Accepted Answer

The Sun

Answer

Geothermal energy

Answer

Volcanoes

Answer

The Moon

Question 4

What do we call the movement of water from the Earth's surface to the atmosphere and back again?

Accepted Answer

Water cycle

Answer

Carbon cycle

Answer

Nitrogen cycle

Answer

Rock cycle

Question 5

Which part of the plant is primarily responsible for absorbing water and nutrients from the soil?

Accepted Answer

Root

Answer

Leaf

Answer

Flower

Answer

Stem

Question 6

What gas do animals exhale that is essential for plant photosynthesis?

Accepted Answer

Carbon dioxide

Answer

Oxygen

Answer

Hydrogen

Answer

Nitrogen

Question 7

What is the process called when liquid water turns into water vapor?

Accepted Answer

Evaporation

Answer

Precipitation

Answer

Transpiration

Answer

Condensation

Question 8

Which part of the animal's body is primarily responsible for pumping blood?

Accepted Answer

Heart

Answer

Lungs

Answer

Brain

Answer

Liver

Question 9

What type of simple machine is a wheel and axle?

Accepted Answer

A lever type

Answer

A pulley

Answer

A screw

Answer

An inclined plane

Question 10

Which nutrient is essential for building and repairing tissues in the body?

Accepted Answer

Protein

Answer

Fats

Answer

Carbohydrates

Answer

Vitamins

Question 11

What is the process by which plants make their own food using sunlight?

Accepted Answer

Photosynthesis

Answer

Fermentation

Answer

Respiration

Answer

Digestion

Question 12

What is the smallest unit of life that can function independently?

Accepted Answer

Cell

Answer

Molecule

Answer

Atom

Answer

Tissue

Question 13

What type of energy is stored in food?

Accepted Answer

Chemical energy

Answer

Thermal energy

Answer

Mechanical energy

Answer

Nuclear energy

Question 14

Which gas do plants take in during photosynthesis?

Accepted Answer

Carbon dioxide

Answer

Nitrogen

Answer

Oxygen

Answer

Hydrogen

Question 15

Which part of the plant is primarily responsible for absorbing water and nutrients from the soil?

Accepted Answer

Roots

Answer

Leaves

Answer

Stems

Answer

Flowers

Question 16

What do we call the changing of water from a liquid to a gas?

Accepted Answer

Evaporation

Answer

Transpiration

Answer

Condensation

Answer

Precipitation

Question 17

What type of rock is formed from molten material that cools and solidifies?

Accepted Answer

Igneous rock

Answer

Fossil rock

Answer

Sedimentary rock

Answer

Metamorphic rock

Question 18

Which part of the human body is primarily responsible for pumping blood?

Accepted Answer

Heart

Answer

Stomach

Answer

Lungs

Answer

Brain

Question 19

What type of simple machine consists of a flat surface that is tilted at an angle?

Accepted Answer

Inclined plane

Answer

Wheel and axle

Answer

Pulley

Answer

Lever

Question 20

What is the primary source of energy for the Earth?

Accepted Answer

The Sun

Answer

Wind

Answer

The Moon

Answer

Volcanoes

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