A
Which of these is not an example of a carnivore (only eats meat)?
Lion
Hawk
Deer
Shark
Snake
Deer
Which of the following is a fossil fuel?
Wind
Solar
Coal
Biomass
Hydroelectric
Coal
Which simple machine is an inclined plane (or ramp) wrapped around a cylinder?
Lever
Pulley
Wedge
Screw
Wheel and axle
Screw
What is the main source of energy for plants?
Soil
Sunlight
Water
Nutrients
Air
Sunlight
Which force causes objects to fall to the ground?
Magnetism
Friction
Buoyancy
Gravity
Electric force
Gravity
What causes day and night?
The Earth’s revolution around the sun
The moon’s orbit around the Earth
The tilt of the Earth's axis
The movement of the stars
The Earth’s rotation on its axis
The Earth's rotation on its axis
What type of rock is formed from molten lava?
Sedimentary
Metamorphic
Igneous
Fossil
Mineral
Igneous
What do animals get from food that helps them grow?
Vitamins
Nutrients
Minerals
Calories
Oxygen
Nutrients
Which of these is a decomposer?
Mushroom
Lion
Eagle
Deer
Human
Mushroom
What is the main purpose of the digestive system?
Breaking down food
Breathing
Blood circulation
Removing waste
Protecting the body
Breaking down food
Which layer of the Earth is a liquid?
Crust
Outer core
Mantle
Inner core
Lithosphere
Outer core
Which of these processes is part of the water cycle?
Erosion
Deposition
Transpiration
Weathering
Sedimentation
Transpiration
What is the main function of the respiratory system?
Breathing
Digestion
Blood circulation
Body movement
Excretion
Breathing
Which of these animals is a carnivore (only eats meat)?
Cow
Deer
Lion
Rabbit
Horse
Lion
What type of energy is stored in food?
Kinetic
Potential
Thermal
Electrical
Chemical
Chemical
Which part of the cell controls its activities?
Cell membrane
Cytoplasm
Nucleus
Mitochondria
Ribosomes
Nucleus
What causes the seasons to change?
The moon’s phases
The Earth’s rotation on its axis
The Earth’s tilt and orbit around the sun
The distance from the sun
The speed of the Earth’s rotation
The Earth's tilt and orbit around the sun
Which layer of the atmosphere is closest to the Earth?
Stratosphere
Mesosphere
Thermosphere
Troposphere
Lithosphere
Troposphere
Which process describes how plants release vapor into the air?
Evaporation
Condensation
Transpiration
Precipitation
Infiltration
Transpiration
What is it called when one animal eats another?
Sedimentation
Evaporation
Predation
Hibernation
Camoflage
Predation