FORCES
What force pulls objects down toward Earth?
Gravity
What is it called when the Sun heats water and it turns into a gas?
Evaporation
Fossils form from the remains of what?
Plants and animals
What do we call the sphere that contains all the air around Earth?
The atmosphere
What is the basic unit of life?
A cell
What force uses north and south poles to push or pull objects?
Magnetic force
What is it called when water vapour cools down and forms clouds?
Condensation
Coal, oil, and natural gas are types of what?
Fossil fuels
What is the name of the sphere that includes all water on Earth?
The hydrosphere
Which sense organ do we use to see?
The eyes
What force makes your hair stand up when you rub a balloon on it?
Electrostatic force
What do we call rain, snow, and hail?
Precipitation
In what type of rock are fossils usually found?
Sedimentary rock
What is the sphere made of rock, soil, and land called?
The geosphere
What do we call it when a solid changes into a liquid?
Melting
Which object in our solar system has the strongest gravity?
The Sun
What do we call water that flows across the land back into rivers and oceans?
Run-off
Are fossil fuels renewable or non-renewable?
Non-renewable
What is the sphere that includes all living things?
The biosphere
In an experiment, what do we call the thing that we change on purpose?
The independent variable
Magnetic forces work best when the magnet is __________ to the object.
Close
What are the three main stages of the water cycle?
Evaporation, condensation, and precipitation
What do we call the preserved imprint or shape of a once-living thing in rock?
A mould fossil (or imprint fossil)
Give an example of two Earth spheres interacting.
Rain (hydrosphere) falling on soil (geosphere)
What are the three states of matter?
Solid, liquid, and gas