Grade 7 Jeopardy Quiz

Physics

100

Wires are usually coated in plastic because ....... a)plastic can be lots of different colours b)plastic helps the wires bend c)plastic helps the wires conduct electricity d)plastic is an insulator

d)plastic is an insulator

200

Kinetic energy is maximum for a roller coaster A. At its highest points B. At its lowest points C. Somewhere in between D. When there's no mass involved

B. At its lowest points

300

You are testing materials to see whether they conduct electricity. You have built a circuit of a battery and two crocodile leads which you will attach to the material. What is missing? a)A switch b)A light bulb, buzzer or motor c)A parallel circuit d)Nothing is missing

b)A light bulb, buzzer or motor

400

The heavier things fall to earth faster than the lighter things a)True b)False

b)False

500

If you were investigating the viscosity ('runny-ness') of different substances by allowing them to 'run' down a surface, what variable would you measure? a)The density of the substances b)The temperature of the surface c)The time taken to 'run' down the surface d)How far the substances must 'run' down the surface

c)The time taken to 'run' down the surface

Chemistry

100

Which of the following substances contain an alkali? a)Baking powder b)Coca cola c)Distilled water d)Vinegar

a)Baking powder

200

If you were investigating how well water dissolves different materials, you would need to add solute (the material being dissolved) until the water reached what point? a)Saturation point b)Boiling point c)Freezing point d)Dissolving point

a)Saturation point

300

In the periodic table, the elements are arranged in order of increasing ....... a)alphabetical symbol b)electron number c)mass number d)proton number

d)proton number

400

Some acid is put onto strips of metal. What would you see if the metals react? a)Burning b)Colour change c)Nothing d)Some bubbles of gas

d)Some bubbles of gas

500

Which of these word equations is INCORRECT? a)Copper + oxygen → copper oxide b)Hydrogen + chlorine → hydrogen chlorine c)Iron + chlorine → iron chloride d)Magnesium + oxygen → magnesium oxide

b)Hydrogen + chlorine → hydrogen chlorine

Biology

100

What is the function (job) of red blood cells? a)To transport glucose b)To transport minerals c)To transport oxygen d)To transport water

c)To transport oxygen

200

Plants are ....... a)decomposers b)herbivores c)primary consumers d)producers

d)producers

300

Which two substances are produced in photosynthesis? a)Carbon dioxide and water b)Glucose and carbon dioxide c)Oxygen and carbon dioxide d)Oxygen and glucose

d)Oxygen and glucose

400

Which of the following energy resources does NOT depend on photosynthesis? a)Biomass b)Coal c)Food d)Wind

d)Wind

500

Which of the following foods contain little or no fibre? a)Apples b)Carrots c)Cheese d)Peas

c)Cheese