The human body
Which gender develops a deeper voice during puberty?
Which liquid boils at 100 Degrees Celsius
Something that is harmful or poisonous is called?
Toxic
Which ball would float: a ping pong ball or tennis ball?
Ping pong ball
How many days are in an Earth year?
365 days, sometimes 366
What does the heart pump through the body?
Heart
What does H20 stand for?
Water
What is DDT?
A pesticide developed to kill insects
What instrument measures mass?
Balance, weight, or scale
How many planets are in our solar system?
8 planets
Which insect carries the disease Malaria?
Mosquitos
What is the chemical reaction when water turns to ice?
Freezing
What is a herbivore?
An animal that eats plants
What is an independent variable?
A variable that is not dependent on other variable
How many moons does Jupiter have?
79 moons
What kind of gas do we breathe out?
Carbon Dioxide
When plants make food, they use carbon dioxide gas and water to form oxygen and a sugar called ___ ?
Glucose
When was DDT banned?
In the 1980s
Why can a submarine float?
Because the ballast tanks are filled with air
Which planet is called the Red Planet?
Mars
Which blood vessels carry oxygen around the body
Arteries
What is photosynthesis?
The process by which plants make food
Name the 3 insects that live in the Namib Desert?
Ants, beetles, and termites
What is heavier? 100 kilograms of bricks or 100 kilograms of feathers?
They are the same! Both 100 kilograms
What is a mirage?
An optical illusion