Cells
What is a cell ?
The basic unit of life that makes up all living organism
Where does digestion begin?
with chewing in the mouth
What is the chemical symbol for sodium ?
Na
What are the 3 states of matter?
Solid, liquid, gas
What is a planet ?
object that orbits a star and does not produce its own light.
Where does photosynthesis happen ?
chloroplast
What is the food mixture called while you chew ?
bolus
What are the groups of elements in the table?
metals, metalloids, nonmetals
What change happens with Liquid → Solid ?
freezing
Name the order of planets
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
What part of the cell contains DNA?
nucleus
Which organ in the digestive system is responsible for the absorption of nutrients?
small intestine
Which element is used for blowing up balloons?
Helium
Water droplets on a cold glass is an example of:
condensation
what is a solar system?
A collection of planets, moons, and other bodies orbiting the Sun.
What part of the cell is responsible for producing ATP?
mitochondria
Name the 5 food groups
fruits, vegetables, carbohydrates, proteins, dairy
True or False: The atomic number tells us the number of protons.
True
What type of change happens when we burn wood?
chemical change
Explain Earth's rotation- how long does it take?
Earth revolves around its axis in 24 hours
What is a product of photosynthesis ?
Glucose and Oxygen
What information does a food label tell ?
calories, nutrients, ingredients
How many neutrons in Carbon?
6
what is compound? give an example
two elements combined. like hydrogen and oxygen, which make water
Explain Earth's revolution
Earth Revolves around the sun in 365 days