Stars
What is one reason some stars look brighter than others?
Closer to Earth
What is the Sun?
a star
What is gravity?
A force that pulls objects toward each other.
How does light travel?
In a straight line.
What role do leaves have in plants?
They help with food production.
What is one reason some stars look brighter than others?
The distance from Earth.
Why does the Sun appear larger than other stars?
Because it is the closest star to Earth.
Can you name something that can overcome gravity?
A rocket or balloon.
What happens to light when it hits a mirror?
It gets reflected.
How do plant roots respond to gravity?
They grow downward.
What do we call the stars that we can see without a telescope?
Stars visible to the unaided eye.
What type of energy does the Sun produce?
Light and heat energy.
How does gravity affect falling objects?
It pulls them downward.
What is refraction?
When light bends as it passes through different materials.
What do plants need from sunlight?
Energy for photosynthesis.
Stars visible to the unaided eye.
because the sun is so bright
What happens when the Sun is not shining?
Heat may be lost from objects.
What do you feel when you jump and come back down?
The pull of gravity.
What can absorb light?
Dark-colored objects.
How do plants respond to light?
Stems grow toward the light.
How many stars can we see with the naked eye compared to with a telescope?
Much fewer; telescopes reveal many more stars.
How does the Sun help plants?
It provides light and energy for photosynthesis.
How does gravity help plants?
It helps roots grow downward.
How does light produce heat?
When it strikes an object, it can warm it up.
What happens when you rub your hands together?
Heat is produced due to friction.