Biology
What is the basic unit of life?
The cell
What is the chemical symbol for water?
H2O
What is speed?
How fast an object moves
What star is at the center of our solar system?
The sun
What gas is most responsible for global warming?
Carbon dioxide (CO2)
What part of the cell controls what goes in and out?
The cell membrane
What is an atom?
The smallest unit of an element
What force pulls objects toward Earth?
Gravity
What planet is known as the red planet?
Mars
What is the greenhouse effect?
When gases trap heat in Earth's atmosphere
What process do plants use to make their own food?
Photosynthesis
What is the pH of a neutral solution?
7
What is Newton's first law?
An object stays at rest or in motion unless acted on by a force
What causes day and night on Earth?
Earths rotation
Name one human activity that increases climate change.
Ex: Burning fossil fuels
What is DNA, and what does it do?
DNA carries genetic information that determines traits
What happens in a chemical reaction?
Bonds break, and new bonds form to make new substances
What is the formula for velocity?
Distance divided by time
What is a galaxy?
A large group of stars, gas, and dust, all held by gravity
How does climate change affect sea levels?
Due to melting ice and/or warmer water
What is mitosis?
The process where a cell divides to make two identical cells
What is the difference between an element and a compound?
An element is one type of atom, a compound is two or more elements chemically bonded
What is energy can give one type.
Energy is the ability to do work
- kinetic
What is a black hole?
An area in space with gravity so strong that light cannot escape
What is one way humans can help reduce climate change?
Using renewable energy like wind or solar power