What objects are used to celebrate the Passover?

Answer 1

Haroset

Bitter herbs

And more

Jewish answer:

1) During all the days of Passover, matzah (unleavened bread) is eaten.

Items on the Seder plate:

1) Matzah

2) Bitter herbs (maror), to symbolize the harsh slavery which the Israelites suffered in Egypt. Either horseradish or romaine lettuce is traditionally used for maror.

3) Charoset - A sweet mixture representing the mortar used by the Jewish slaves to build the storehouses of Egypt. In Ashkenazi Jewish homes, charoset is traditionally made from chopped nuts, grated apples, cinnamon, and sweet red wine.

4) Karpas - A vegetable other than bitter herbs, traditionally parsley, which is dipped into salt water at the beginning of the Seder. The dipping of a simple vegetable into salt water (which represents tears) recalls the pain felt by the Jewish slaves in Egypt.

5) Beitzah - A hard-boiled egg, symbolizing the korban chagigah (festival sacrifice) that was offered in the Temple in Jerusalem and roasted and eaten as part of the meal on Seder night. Although both the Pesach sacrifice and the chagigah were meat offerings, the chagigah is commemorated by an egg, a symbol of mourning.

6) Z'roa - A roasted lamb or goat shank-bone, chicken wing, or chicken neck; symbolizing the korban Pesach (Pesach sacrifice), which was a lamb that was offered in the Temple in Jerusalem, then roasted and eaten as part of the meal on Seder night.

7) Also used (though not on the central plate) are: salt water (see above) and cups of wine.