The sun gives what 2 types of energy
Heat and Light
True or False: Stars are all the same size
False! Dwarf stars and supergiant stars range in size!
Name the 5 plant parts
roots, stem, leaves, flower, seeds
What job do the leaves on a plant have?
to make food for the plant
What type of force is gravity?
pull!
True or False.... the sun is a planet
False!! It is a star
True! Stars are all balls (spheres)
What do the roots do? **2 things!!!
The roots absorb water and nutrients from the ground AND keep the plant in the ground
What is the scientific name for when plants make their own food?
photosynthesis
If I drop a watermelon and a golf ball from the 3rd story of a building, which will land first?
They will land at the same time because gravity pulls on all objects the same!
True or False: The sun is the closest star to earth
True! The next closest star us over 1 light year away!
What is a star?
Hot, glowing ball of gas!
What does the stem do? **2 things!!!
The stem holds the plant up AND transports the water to the rest of the plant
Why are leaves green?
a chemical called chlorophyll
A man jumps out of a plane and releases a parachute. What is causing him to slow down as he falls?
air resistance
Name 2 reasons why is the sun important for our planet?
grows plants for food and oxygen, warm enough to have water and life, light, heat, etc....
What colors can a star be? Name all 4!
Red, white, yellow, blue
What do the leaves do?
make food for the plant!
What do leaves NEED to make food? Hint: they trap it!
Name 3 things that overcome gravity
plane, helicopter, birds, parachutes, etc....
True or False: The sun is the only star in our solar system
TRUE! it is the only star in our solar system, but our GALAXY has many!!!
Our sun is what size and color?
yellow dwarf
What does the flower do?
produces seeds to reproduce!
what chemical do plants give off? hint, we breathe it out!
carbon dioxide
If gravity is a pull down, air resistance is what kind of force?
a push up