Adiweno, about Cause and Effect

 

A. Read the following sentences. Decide if the words in bold are the cause or the effect on the line. Then, underline the "signal" word or phrase.

1. Early man used weapons because they needed to find food.

     Answer: Cause;  they needed to find food

                    Signal; Because

2. The glaciers began to melt; therefore, the land bridge between Asia and North America became         flooded.

    Answer:  Effect; the land bridge between Asia and North America became flooded 

                    Signal; Therefore

3. Because they wanted to learn about differenct civilizations that existed, archaeologists studied artifacts.

      Answer: Cause; Because they wanted to learn about differenct civilizations that existed

                    Signal; Because

4. Early man slowly started to grow food; and as a result, their lives became easier.

      Answer: Cause; Early man slowly started to grow food

                    Signal; As a result

5. My sister was very tired because she stayed up past midnight.

      Answer: Effect; My sister was very tired 

                    Signal; Because

Read the sentences and find the cause and effect. The first one has been done for you.

1. The milk spilled all over the floor, so Jane got a mop and cleaned it up. 

     Cause: milk spilled, effect: Jane mopped.

2. Siti has planned a trip to her uncle's house because she loves her cousins.

     Answer: Cause;  because she loves her cousins

                    Effect; Siti has planned a trip to her uncle's house 

3. The green house gases trap the heat in the air, so the Earth becomes warmer.

     Answer: Cause;  The green house gases trap the heat in the air

                    Effect; so the Earth becomes warmer

4. Because the Sumatran tigers were almost extinct, the Indonesian government declared them as endangered species.

     Answer: Cause;  Because the Sumatran tigers were almost extinct

                    Effect; the Indonesian government declared them as endangered species

5. Animals are becoming extinct because humans are moving into their habitats.

     Answer: Cause;  because humans are moving into their habitats

                    Effect; Animals are becoming extinct