What are the three states of matter? Give an example of each.
solid, liquid, and gas (Ice , water/juice , steam)
What is an inherited trait? Give an example.
What causes earthquakes to happen?
When the tectonic plates transform and slide past one another.
Name one material that is a good conductor of electricity.
Copper , Aluminum , Gold , Salt water
How does a switch work in an electric circuit?
It allows electricity to flow when switched on and blocked when switched off.
What is the difference between a physical change and a chemical change?
Physical change, the substance is still the same
Chemical change, a NEW substance is created
What is the job of the nucleus in both plant and animal cells?
It controls all the functions of the cell. Considered the "brain"
How do volcanoes form?
Tectonic plates collide and push upward.
What happens when you put the same poles of two magnets together?
They will repel each other.
The melted material is forced up on Earth’s surface creating______.
Lava
What happens to the particles of a substance when it is heated?
The are spread out freely and move faster.
What part of the plant cell is responsible for making food using sunlight?
Chloroplast
what are the 4 main layers of the earth?
Crust, mantle , outer core , inner core
Describe an electromagnet
It can be turned on and off , it has a wire wrapped around a nail connected to a battery.
Organs
Why do objects fall to the ground when dropped? What force causes this?
What is the jelly-like substance that fills the inside of the cell called?
Cytoplasm
What is the difference between weathering and erosion?
Weathering breaks it down and Erosion takes it away.
What is the function of the Vacuole in a cell?
It holds the waste and food in a pouch
What are some examples of traits in a organism?
Hair color , eye color , dimples , Height , ect.
A circuit is
a magnetic attraction
a path that electricity flows through
a light bulb and wire
a supply of chemical energy
A path that electricity flows through
Can you name two examples of invertebrates?
Insects, spiders, worms, crabs, lobster , fish , ect.
What are the boundaries called when they separate or divide from one another?
Divergent boundaries
Which group—vertebrates or invertebrates—has more species?
Invertebrates.
You put a piece of paper in water, and it gets soggy. You burn a different piece of paper, and it turns into ash and smoke.
Which one is a physical change and which is a chemical change? Explain how you know.
A piece of paper has just changed form when it gets soggy (physical). When you burn a piece of paper , it is changing the paper into a new substance (chemical)