The Cell
The Microscope
Density
Measurement
Earth and Space
100

Smallest working unit of a living thing?

Cell

100

Piece of the microscope we look through?

Eyepiece

100

Which instrument is used to measure the mass of an object?

Balance

100

What is the formula used to calculate the volume of a cuboid?

Length x Width x Height

100

A celestial body in orbit around a star?

Planet

200

Part of the cell that allows substances in and out of the cell?

Cell Membrane

200

Maximum magnification of light microscope in school lab?

400

200

What is the formula for density?

Density= Mass ÷ Volume

200

Which instrument is used to measure the length of a curved line, such as a road on a map?


Opisometer

200

How many planets are there in our solar system?

8

300

Part of the cell which controls the activities of the cell?

Nucleus

300

Magnifies the object by 4x, 10x or 40x

Objective lens

300

What is the unit of density?

g/cm³

300

The curved surface of a liquid in a graduated cylinder is called the


Meniscus

300

Generates it own light and heat and consists of a mass of gas held together by its own gravity

Star

400

The 3 cell structures that are found in plant cells but not animal cells?

Vacuole, Chloroplasts and Cell Wall

400

The part of the microscope where you place the glass slide?

Stage

400

An object will float in a liquid if?

Its density is less than that of the liquid


400

What is the volume of cube with sides of 4cm?

64 cm³

400

A star and all the objects that orbit it is known as?

Solar System

500

Part of the cell that makes proteins

Ribosomes

500

Liquid used to stain onion cell for investigation under the microscope?

Iodine

500

Why does an iron ship float even though iron is denser than water?

The ship contains air, lowering its average density


500

What quantity is measursed by the Newton meter

Force

500

A system of billions of stars is called a?

Galaxy