How many planets are in our solar system?
8 planets
What are the three types of rocks?
Igneous, sedimentary, and metamorphic.
What is the basic unit of life?
Cell
How many bones are in the adult human body?
a) 106
b) 206
c) 306
d) 406
206 bones
What is x if 4x - 5 = 11?
4x - 5 = 11
Add 5 to both sides!
4x = 16
Divide 16 by 4 to get x
x = 4
What is the star at the center of our solar system called?
The Sun
What causes earthquakes?
a) Heavy rainfall
b) Changes in temperature
c) Movement of tectonic plates
d) Ocean currents
Movement of tectonic plates
What are the 3 things plants need to perform photosynthesis?
Sunlight, water, and carbon dioxide
What is the largest organ in the human body?
a) Heart
b) Liver
c) Skin
d) Brain
Skin
A triangle has angles of 45° and 65°. What is the third angle?
a) 60°
b) 70°
c) 80°
d) 90°
70°
All three angles in a triangle must equal 180°!
180° - 45° - 65° = 70°
What is a black hole?
a) A hole in space where nothing exists
b) A region of space where gravity is so strong nothing can escape, not even light
c) A dark planet far from the sun
d) A collapsed star that glows red
A region of space where gravity is so strong nothing can escape, not even light.
What causes the seasons on Earth?
a) Earth's distance from the sun
b) The tilt of Earth's axis
c) The speed of Earth's rotation
d) The moon's gravitational pull
The tilt of Earth's axis
What is the powerhouse of the cell?
a) Nucleus
b) Mitochondria
c) Ribosome
d) Cell membrane
Mitochondria
What is the role of the small intestine?
a) To store waste
b) To pump blood
c) To absorb nutrients from food
d) To filter toxins
To absorb nutrients from food
What is the Pythagorean theorem and what is it used for?
The Pythagorean theorem states that in a right triangle, a² + b² = c², where c is the longest side (hypotenuse).
It is used to find the missing side of a right triangle.
What force keeps planets in orbit around the sun?
What is the most abundant gas in Earth's atmosphere?
Nitrogen
What is the difference between a food chain and a food web?
A food chain is a single linear path of who eats whom, while a food web shows all the interconnected feeding relationships in an ecosystem.
Which type of blood cell fights infection?
White blood cells
What is the perimeter of a square with sides of length 6?
24
6 x 4 sides of a square = 24
What is the difference between a meteor and a meteorite?
A meteor is a rock that burns up in Earth's atmosphere (the streak of light you see), while a meteorite is a rock that survives and lands on Earth's surface
What is the greenhouse effect and how does it impact Earth's temperature?
The greenhouse effect is when gases like carbon dioxide trap heat from the sun in Earth's atmosphere, causing the planet to warm up.
What is the difference between a virus and a bacteria?
Bacteria are single-celled, living organisms that can survive on their own, while viruses are non-living, microscopic particles that require a living host cell to reproduce.
What is the difference between arteries and veins?
Arteries carry oxygen-rich blood away from the heart, while veins carry oxygen-poor blood back to the heart
A store is having a 30% off sale. If a jacket originally costs $85, what is the sale price?
$59.50
Find discount price:
85 × 0.30 = $25.50
Find sale price:
85 - 25.50 = $59.50