Biology
Chemistry
Earth and Space
Physics
Random
100

Mention five human body organs.

Brain, stomach, liver, etc.

100

In which state of matter do particles move fastest?

Gas

100
Mention the three types of rock.

Igneous, sedimentary, metamorphic.

100
What force pulls you to the center of the Earth?

Gravity

100

In which rock type can we find fossils?

Sedimentary

200
Why are plants called producers?

They produce their own food.

200

What happens to sugar when you add it in water?

It dissolves

200

What kind of rock is granite?

Igneous.

200

Mention three examples of applied forces.

Any forces caused by people, objects or animals that move objects.

200

What are the three soil types?

Sandy, clay, loam.

300

What two things to the arrows in food chains show?

Who eats who, where the energy goes.

300
How can we separate water from dissolved salt?

Evaporating the water.

300

Mention all eight planets.

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.

300

Mention three electrical conductors.

Any metals.

300
Mention the four change of state of matter processes.

Melting, solidifying, evaporation, condensation.

400

Mention: two carnivores, two herbivores and one omnivore.

Animals that fit

400

Mention two chemical reactions.

Rusting, cooking, bicarbonate and vinegar, etc.

400

Why do we have day and night?

Because the Earth rotates.

400

Mention the four forces that affect a ship moving in water.

Gravity, upthrust, applied force, water resistance.

400

Mention the three ways we can know a chemical reaction has happened.

Change in color, change in temperature, creates gas / bubbles.

500

What is bioaccumulation?

Accumulation of toxic chemicals when an animal eats something contaminated.

500

Why do solids dissolve faster in hot water?

Because their particles have more energy.

500

How are sedimentary rocks formed?

Weathering and erosion create sediments, they are compressed in layers underwater.

500

What is the difference between mass and weight?

One is the amount of matter in an object, the other how much gravity is pulling on it.

500

How do the circulatory and respiratory systems work together?

One gets oxygen from the air and the other sends it to all the body.